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369 of 700 (53%) achievements earned:
Personal Achievements
 

Life Story

Complete the Master Chief Saga playlist.
Unlocked Apr 12, 2022 @ 8:23am

Just Getting Started

Kill 100 enemies or players.
Unlocked Dec 19, 2019 @ 1:31pm

Balaho's Most Wanted

Kill 100 Grunts.
Unlocked Dec 21, 2019 @ 4:57pm

The One Percent

Kill 100 Elites.
Unlocked Dec 22, 2019 @ 2:31pm

Spoilsport

Kill 100 Jackals.
Unlocked Dec 22, 2019 @ 2:23pm

Going Bananas

Kill 100 Brutes.
Unlocked Mar 17, 2020 @ 9:15pm

Hunters Hunted

Kill 50 Hunters.
Unlocked Apr 1, 2020 @ 5:27pm

Checkmate

Kill 100 Watchers.
Unlocked Nov 24, 2020 @ 9:02pm

I Was Wondering What Would Break First

Kill 100 Knights.
Unlocked Nov 25, 2020 @ 10:51pm

Pest Control

Kill 100 Crawlers.
Unlocked Nov 18, 2020 @ 9:02pm

Thanks A Killion

Kill 20,000 enemies or players.
Unlocked Aug 2, 2020 @ 5:56pm

Medal Completionist

Collect 10,000 campaign or playlist medals.
Unlocked Jul 11, 2020 @ 5:10pm

The Guardians Are Coming

Get killed by the Guardians.
Unlocked Jul 13, 2020 @ 9:28pm

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.
Unlocked Dec 17, 2019 @ 1:04pm

Where Am I?

Complete 10 missions or multiplayer games.
Unlocked Dec 19, 2019 @ 1:23pm

I Got This

Complete 100 missions or multiplayer games.
Unlocked Jul 12, 2020 @ 9:47am

Tempered Blade

Win 10 multiplayer games.
Unlocked Mar 21, 2020 @ 10:47am

Sample Plate

Complete three cross-game playlists.
Unlocked Apr 14, 2022 @ 2:10pm

I Dabble in Slaying

Complete one cross-game playlist.
Unlocked Apr 12, 2022 @ 8:23am

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.
Unlocked Dec 18, 2019 @ 10:44am

Veteran

Complete all campaigns on Normal difficulty.
Unlocked Dec 7, 2020 @ 1:16pm

Your Journey Begins

Complete a campaign mission or a match of multiplayer.
Unlocked Dec 17, 2019 @ 1:15pm

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.
Unlocked Apr 1, 2020 @ 1:12pm

Halo

Halo CE: Complete Halo.
Unlocked Apr 1, 2020 @ 7:58pm

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.
Unlocked Mar 24, 2020 @ 12:12pm

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.
Unlocked Mar 26, 2020 @ 1:15pm

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.
Unlocked Mar 31, 2020 @ 12:10pm

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.
Unlocked Apr 10, 2020 @ 7:58pm

The Library

Halo CE: Complete The Library.
Unlocked Jul 8, 2020 @ 12:36pm

Two Betrayals

Halo CE: Complete Two Betrayals.
Unlocked Jul 24, 2020 @ 5:34pm

Keyes

Halo CE: Complete Keyes.
Unlocked Aug 2, 2020 @ 5:32pm

The Maw

Halo CE: Complete The Maw.
Unlocked Aug 2, 2020 @ 6:51pm

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.
Unlocked Nov 30, 2020 @ 11:33pm

Lightning in a Bottle

Halo CE: Beat the par time on 343 Guilty Spark.
Unlocked Dec 1, 2020 @ 11:51am

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.
Unlocked Jul 5, 2020 @ 2:19pm

Giant Hula Hoop

Halo CE: Beat the par score on Halo.
Unlocked Apr 5, 2020 @ 12:38pm

You Really Can't Handle the Truth

Halo CE: Beat the par score on The Truth and Reconciliation.
Unlocked Mar 26, 2020 @ 12:32pm

Vetro Strike

Halo CE: Beat the par score on Assault on the Control Room.
Unlocked Apr 3, 2020 @ 7:22pm

Reading Room

Halo CE: Beat the par score on The Library.
Unlocked Jul 8, 2020 @ 12:36pm

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Unlocked Mar 26, 2020 @ 12:14pm

Sacrifice

Halo CE: Activate Terminal 2 on Halo.
Unlocked Mar 24, 2020 @ 12:44pm

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Unlocked Mar 28, 2022 @ 11:16am

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.
Unlocked Mar 28, 2022 @ 11:21am

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.
Unlocked Apr 1, 2020 @ 7:40pm

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Unlocked Apr 10, 2022 @ 9:02pm

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.
Unlocked Apr 10, 2022 @ 9:25pm

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.
Unlocked Apr 10, 2022 @ 9:26pm

Mind Games

Halo CE: Activate Terminal 9 on Keyes.
Unlocked Apr 10, 2022 @ 9:44pm

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.
Unlocked Mar 6, 2022 @ 10:26pm

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.
Unlocked Apr 10, 2022 @ 9:44pm

Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.
Unlocked Apr 13, 2022 @ 1:09pm

Skulltaker Halo: CE: Mythic

Halo CE: Find and claim the Mythic skull in remastered mode.
Unlocked Apr 13, 2022 @ 1:12pm

Skulltaker Halo: CE: Boom

Halo CE: Find and claim the Boom skull in remastered mode.
Unlocked Apr 13, 2022 @ 1:24pm

Skulltaker Halo: CE: Foreign

Halo CE: Find and claim the Foreign skull in remastered mode.
Unlocked Apr 15, 2022 @ 1:39pm

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine skull in remastered mode.
Unlocked Apr 15, 2022 @ 1:44pm

Skulltaker Halo: CE: Bandana

Halo CE: Find and claim the Bandanna skull in remastered mode.
Unlocked Apr 16, 2022 @ 4:03pm

Skulltaker Halo: CE: Fog

Halo CE: Find and claim the Fog skull in remastered mode.
Unlocked Apr 16, 2022 @ 4:37pm

Skulltaker Halo: CE: Malfunction

Halo CE: Find and claim the Malfunction skull in remastered mode.
Unlocked Apr 16, 2022 @ 4:42pm

Skulltaker Halo: CE: Recession

Halo CE: Find and claim the Recession skull in remastered mode.
Unlocked Apr 16, 2022 @ 4:45pm

Skulltaker Halo: CE: Black Eye

Halo CE: Find and claim the Black Eye skull in remastered mode.
Unlocked Apr 16, 2022 @ 4:48pm

Skulltaker Halo: CE: Eye Patch

Halo CE: Find and claim the Eye Patch skull in remastered mode.
Unlocked Mar 8, 2022 @ 7:09pm

Skulltaker Halo: CE: Pinata

Halo CE: Find and claim the Pinata skull in remastered mode.
Unlocked Apr 17, 2022 @ 9:41pm

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Unlocked Apr 17, 2022 @ 9:58pm

Headhunter

Halo CE: Find and claim all Skulls in Halo: CE.
Unlocked Apr 17, 2022 @ 9:58pm

Birth of a Spartan

Halo CE: Complete every level of the game on Normal difficulty.
Unlocked Aug 2, 2020 @ 6:51pm

Believe in a Hero

Halo CE: Complete every level of the game on Heroic difficulty.
Unlocked Aug 2, 2020 @ 6:51pm

Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.
Unlocked Aug 2, 2020 @ 6:51pm

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Unlocked Mar 26, 2020 @ 12:32pm

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Unlocked Mar 24, 2020 @ 12:12pm

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.
Unlocked Apr 2, 2020 @ 5:57pm

A Fine Choice

Halo CE: Complete a Halo: CE playlist.
Unlocked Aug 2, 2020 @ 6:52pm

Excellent Taste

Halo CE: Complete three Halo: CE playlists.
Unlocked Mar 9, 2022 @ 4:15pm

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.
Unlocked Apr 1, 2020 @ 12:20pm

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Unlocked Mar 24, 2020 @ 11:45am

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
Unlocked Dec 2, 2020 @ 6:09pm

Get Me Out of Here!

Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.
Unlocked Dec 1, 2020 @ 11:33am

Feet Firmly Planted

Halo CE: Complete a level without jumping.
Unlocked Mar 6, 2022 @ 10:26am

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Unlocked Aug 2, 2020 @ 6:51pm

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.
Unlocked Dec 21, 2019 @ 5:11pm

Brovershield

Complete any co-op level on Heroic difficulty.
Unlocked Jul 9, 2020 @ 8:49pm

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.
Unlocked Mar 6, 2022 @ 2:13pm

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.
Unlocked Jul 8, 2020 @ 12:27pm

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.
Unlocked Mar 15, 2020 @ 12:15pm

Cairo Station

Halo 2: Complete Cairo Station.
Unlocked Jul 9, 2020 @ 8:49pm

Outskirts

Halo 2: Complete Outskirts.
Unlocked Jul 11, 2020 @ 4:39pm

Metropolis

Halo 2: Complete Metropolis.
Unlocked Jul 11, 2020 @ 5:24pm

The Arbiter

Halo 2: Complete The Arbiter.
Unlocked Nov 30, 2020 @ 12:47am

Oracle

Halo 2: Complete The Oracle.
Unlocked Nov 30, 2020 @ 1:46am

Delta Halo

Halo 2: Complete Delta Halo.
Unlocked Dec 5, 2020 @ 1:50pm

Regret

Halo 2: Complete Regret.
Unlocked Dec 5, 2020 @ 2:27pm

Sacred Icon

Halo 2: Complete Sacred Icon.
Unlocked Dec 5, 2020 @ 3:13pm

Quarantine Zone

Halo 2: Complete Quarantine Zone.
Unlocked Dec 5, 2020 @ 3:48pm

Gravemind

Halo 2: Complete Gravemind.
Unlocked Dec 5, 2020 @ 8:53pm

Uprising

Halo 2: Complete Uprising.
Unlocked Dec 7, 2020 @ 12:35pm

High Charity

Halo 2: Complete High Charity.
Unlocked Dec 7, 2020 @ 12:47pm

The Great Journey

Halo 2: Complete The Great Journey.
Unlocked Dec 7, 2020 @ 1:16pm

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.
Unlocked Dec 5, 2020 @ 11:13am

Reed the Strategy

Halo 2: Beat the par time on The Oracle.
Unlocked Dec 5, 2020 @ 1:24pm

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.
Unlocked Apr 14, 2022 @ 1:46pm

Feeling Charitable

Halo 2: Beat the par time on High Charity.
Unlocked Dec 7, 2020 @ 12:47pm

Bomb Squad

Halo 2: Beat the par score on Cairo Station.
Unlocked Jul 9, 2020 @ 8:49pm

Ripple Fire

Halo 2: Beat the par score on Metropolis.
Unlocked Jul 11, 2020 @ 5:24pm

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.
Unlocked Dec 5, 2020 @ 12:55pm

Boundless

Halo 2: Beat the par score on Delta Halo.
Unlocked Dec 5, 2020 @ 1:50pm

Fists of Fury

Halo 2: Beat the par score on Regret.
Unlocked Dec 5, 2020 @ 2:27pm

Frequent Flyer Miles

Halo 2: Beat the par score on The Great Journey.
Unlocked Dec 7, 2020 @ 1:16pm

Curious

Halo 2: Activate Terminal 1 on Cairo Station.
Unlocked Nov 29, 2020 @ 1:37pm

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.
Unlocked Apr 15, 2022 @ 1:56pm

Examiner

Halo 2: Activate Terminal 3 on Metropolis.
Unlocked Nov 29, 2020 @ 11:25pm

Scholar

Halo 2: Activate Terminal 11 on Uprising.
Unlocked Dec 7, 2020 @ 12:18pm

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.
Unlocked Dec 7, 2020 @ 12:56pm

Skulltaker Halo 2: That's Just…Wrong

Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.
Unlocked Nov 26, 2020 @ 11:46am

Skulltaker Halo 2: Thunderstorm

Halo 2: Find and claim the Thunderstorm Skull on Legendary.
Unlocked Nov 26, 2020 @ 12:37pm

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.
Unlocked Apr 15, 2022 @ 1:52pm

Warrior

Halo 2: Complete every level of the game on Normal difficulty.
Unlocked Dec 7, 2020 @ 1:16pm

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.
Unlocked Dec 5, 2020 @ 3:32pm

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Unlocked Jul 9, 2020 @ 8:54pm

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.
Unlocked Dec 5, 2020 @ 2:09pm

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.
Unlocked Dec 5, 2020 @ 2:27pm

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.
Unlocked Dec 5, 2020 @ 3:54pm

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Unlocked Nov 30, 2020 @ 2:18pm

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
Unlocked Jul 5, 2020 @ 5:49pm

Blown Out of the Sky

Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.
Unlocked Nov 30, 2020 @ 2:35pm

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
Unlocked Nov 30, 2020 @ 2:10pm

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
Unlocked Jul 11, 2020 @ 9:10pm

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Unlocked Jul 11, 2020 @ 9:10pm

Back At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.
Unlocked Jul 9, 2020 @ 8:15pm

Landfall

Halo 3: Complete Sierra 117.
Unlocked Jul 14, 2020 @ 9:13am

Holdout

Halo 3: Complete Crow's Nest.
Unlocked Jul 17, 2020 @ 10:26am

The Road

Halo 3: Complete Tsavo Highway.
Unlocked Jul 14, 2020 @ 1:26pm

Assault

Halo 3: Complete The Storm.
Unlocked Jul 15, 2020 @ 8:33am

Cleansing

Halo 3: Complete Floodgate.
Unlocked Jul 17, 2020 @ 10:52am

Refuge

Halo 3: Complete The Ark.
Unlocked Jul 18, 2020 @ 12:16pm

Last Stand

Halo 3: Complete The Covenant.
Unlocked Jul 18, 2020 @ 1:14pm

The Key

Halo 3: Complete Cortana.
Unlocked Jul 18, 2020 @ 1:53pm

Return

Halo 3: Complete Halo.
Unlocked Jul 18, 2020 @ 2:42pm

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.
Unlocked Dec 7, 2020 @ 2:27pm

Dambuster

Halo 3: Beat the par time on Floodgate.
Unlocked Dec 8, 2020 @ 6:10pm

Guerilla

Halo 3: Beat the par score on Sierra 117.
Unlocked Jul 14, 2020 @ 9:13am

Askar

Halo 3: Beat the par score on The Storm.
Unlocked Jul 15, 2020 @ 8:33am

Exterminator

Halo 3: Beat the par score on Floodgate.
Unlocked Jul 17, 2020 @ 10:52am

Ranger

Halo 3: Beat the par score on The Ark.
Unlocked Jul 18, 2020 @ 12:16pm

Vanguard

Halo 3: Beat the par score on The Covenant.
Unlocked Jul 18, 2020 @ 1:14pm

Orpheus

Halo 3: Beat the par score on Cortana.
Unlocked Jul 18, 2020 @ 1:53pm

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.
Unlocked Jul 19, 2020 @ 12:55pm

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull on Normal or harder.
Unlocked Jul 14, 2020 @ 9:09am

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull on Normal or harder.
Unlocked Jul 17, 2020 @ 9:57am

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull on Normal or harder.
Unlocked Jul 15, 2020 @ 7:56am

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull on Normal or harder.
Unlocked Jul 15, 2020 @ 9:28am

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull on Normal or harder.
Unlocked Jul 15, 2020 @ 8:34am

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull on Normal or harder.
Unlocked Jul 18, 2020 @ 11:40am

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.
Unlocked Jul 20, 2020 @ 2:40pm

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull on Normal or harder.
Unlocked Jul 18, 2020 @ 1:28pm

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull on Normal or harder.
Unlocked Jul 18, 2020 @ 2:00pm

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.
Unlocked Jul 18, 2020 @ 2:42pm

With Your Shield or On It

Halo 3: Complete every level of the game on Heroic difficulty.
Unlocked Jul 18, 2020 @ 2:42pm

Finished the Fight

Halo 3: Complete every level of the game on Legendary difficulty.
Unlocked Jul 18, 2020 @ 2:42pm

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.
Unlocked Mar 11, 2022 @ 9:56pm

Primate

Halo 3: Find your first missing links.
Unlocked Jul 14, 2020 @ 9:01am

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Unlocked Jul 14, 2020 @ 8:49am

Delicious Brains

Kill 100 Flood.
Unlocked Apr 10, 2020 @ 8:02pm

Zombie Repeller

Kill 1000 Flood.
Unlocked Jul 9, 2020 @ 8:10pm

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.
Unlocked Nov 25, 2020 @ 11:38am

Dawn

Halo 4: Complete Dawn.
Unlocked Nov 17, 2020 @ 12:14pm

Requiem

Halo 4: Complete Requiem.
Unlocked Nov 23, 2020 @ 10:44pm

Forerunner

Halo 4: Complete Forerunner.
Unlocked Nov 23, 2020 @ 11:53pm

Infinity

Halo 4: Complete Infinity.
Unlocked Nov 24, 2020 @ 6:12pm

Reclaimer

Halo 4: Complete Reclaimer.
Unlocked Nov 24, 2020 @ 8:30pm

Shutdown

Halo 4: Complete Shutdown.
Unlocked Nov 24, 2020 @ 9:32pm

Composer

Halo 4: Complete Composer.
Unlocked Nov 25, 2020 @ 10:30pm

Midnight

Halo 4: Complete Midnight.
Unlocked Nov 27, 2020 @ 12:44pm

Piece of Cake

Halo 4: Beat the par time on Dawn.
Unlocked Nov 18, 2020 @ 7:10pm

Ouroboros

Halo 4: Beat the par time on Infinity.
Unlocked Apr 11, 2022 @ 1:26pm

Symphony of Pain

Halo 4: Beat the par time on Composer.
Unlocked Apr 12, 2022 @ 7:51am

Gunslinger

Halo 4: Beat the par score on Dawn.
Unlocked Nov 17, 2020 @ 12:14pm

Jungle Warfare

Halo 4: Beat the par score on Infinity.
Unlocked Nov 24, 2020 @ 6:13pm

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.
Unlocked Nov 24, 2020 @ 8:30pm

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.
Unlocked Nov 24, 2020 @ 9:32pm

Head Banging

Halo 4: Beat the par score on Composer.
Unlocked Nov 25, 2020 @ 10:30pm

Witching Hour

Halo 4: Beat the par score on Midnight.
Unlocked Nov 27, 2020 @ 12:44pm

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.
Unlocked Nov 23, 2020 @ 10:55pm

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.
Unlocked Nov 24, 2020 @ 5:30pm

Flood

Halo 4: Activate Terminal 4 on Reclaimer.
Unlocked Nov 24, 2020 @ 8:20pm

Knights

Halo 4: Activate Terminal 5 on Shutdown.
Unlocked Apr 11, 2022 @ 9:22pm

Justice

Halo 4: Activate Terminal 6 on Composer.
Unlocked Nov 25, 2020 @ 10:17pm

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.
Unlocked Nov 27, 2020 @ 12:44pm

I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.
Unlocked Nov 27, 2020 @ 12:44pm

The Legend of 117

Halo 4: Complete every level of the game on Legendary difficulty.
Unlocked Nov 27, 2020 @ 12:44pm

Explore the Floor

Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.
Unlocked Nov 24, 2020 @ 9:25pm

Chief, Smash!

Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.
Unlocked Apr 12, 2022 @ 8:04am

A Long Time Ago

Halo 4: Play a game of Halo 4 on the 6th of any month.
Unlocked Dec 5, 2020 @ 11:44pm

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.
Unlocked Dec 7, 2020 @ 1:16pm

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
Unlocked Apr 3, 2020 @ 7:22pm

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
Unlocked Apr 1, 2020 @ 12:01pm

Bro Hammer

Complete any co-op level on Legendary difficulty.
Unlocked Jul 9, 2020 @ 8:49pm

Digging up the Past

Halo 4: Access the Master Chief's records on Dawn.
Unlocked Nov 17, 2020 @ 11:50am

Game Master

Created and saved 5 Custom Game types.
Unlocked Apr 6, 2022 @ 4:29pm

Dirty Bird

Halo 2: Fly the Heretic Banshee.
Unlocked Nov 30, 2020 @ 12:33am

A Pile of Medals

Collect 2,000 campaign or playlist medals.
Unlocked Mar 22, 2020 @ 12:00pm

A Crate of Medals

Collect 3,000 campaign or playlist medals.
Unlocked Mar 24, 2020 @ 12:00pm

A Heap of Medals

Collect 4,000 campaign or playlist medals.
Unlocked Mar 31, 2020 @ 12:04pm

A Few Trinkets

Collect 5,000 campaign or playlist medals.
Unlocked Apr 1, 2020 @ 6:42pm

Chest of Gold

Halo 4: Complete a Halo 4 playlist.
Unlocked Dec 6, 2020 @ 12:23am

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.
Unlocked Apr 3, 2020 @ 6:49pm

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.
Unlocked Apr 5, 2020 @ 12:42pm

Medal Master Chief

Collect 8,000 campaign or playlist medals.
Unlocked Apr 11, 2020 @ 8:23pm

Contender

Win 50 multiplayer games.
Unlocked Aug 6, 2020 @ 9:37pm

Game On

Complete 50 missions or multiplayer games.
Unlocked Apr 1, 2020 @ 7:58pm

Bonus Level

Complete 200 missions or multiplayer games.
Unlocked Oct 2, 2020 @ 8:08pm

Can't Put It Down

Complete 150 missions or multiplayer games.
Unlocked Jul 28, 2020 @ 12:02pm

Up All Night

Complete 250 missions or multiplayer games.
Unlocked Nov 23, 2020 @ 10:44pm

Can't Get Enough

Complete 300 missions or multiplayer games.
Unlocked Dec 5, 2020 @ 11:13am

Committed

Complete 350 missions or multiplayer games.
Unlocked Mar 6, 2022 @ 10:26am

Big Time Gamer

Complete 400 missions or multiplayer games.
Unlocked Apr 9, 2022 @ 11:20pm

Just A Taste

Collect 500 campaign or playlist medals.
Unlocked Mar 15, 2020 @ 11:25am

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.
Unlocked Mar 16, 2020 @ 6:35pm

Foe Hammer

Kill 5,000 enemies or players.
Unlocked Mar 24, 2020 @ 3:43pm

Gruntageddon

Kill 1000 Grunts.
Unlocked Mar 18, 2020 @ 9:37pm

Were It So Easy

Kill 1000 Elites.
Unlocked Mar 31, 2020 @ 11:00am

Scavenger Hunt

Kill 1000 Jackals.
Unlocked Mar 31, 2020 @ 11:41am

Dankey Kang

Kill 1000 Brutes.
Unlocked Oct 10, 2020 @ 12:54pm

Wyrmslayer

Kill 250 Hunters.
Unlocked Mar 5, 2022 @ 7:47pm

Dogcatcher

Kill 1000 Crawlers.
Unlocked Apr 12, 2022 @ 8:11am

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.
Unlocked Aug 2, 2020 @ 6:51pm

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.
Unlocked Dec 7, 2020 @ 1:16pm

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.
Unlocked Jul 18, 2020 @ 2:42pm

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.
Unlocked Nov 27, 2020 @ 12:44pm

Herald of the Reclamation

Complete all campaigns on Easy difficulty.
Unlocked Dec 7, 2020 @ 1:16pm

King of the Crows

Halo 3: Beat the par score on Crow's Nest.
Unlocked Jul 17, 2020 @ 10:26am

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.
Unlocked Jul 20, 2020 @ 3:14pm

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull on Normal or harder.
Unlocked Jul 14, 2020 @ 8:50am

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.
Unlocked Jul 14, 2020 @ 12:24pm

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull on Normal or harder.
Unlocked Jul 18, 2020 @ 12:08pm

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull on Normal or harder.
Unlocked Jul 20, 2020 @ 3:14pm

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.
Unlocked Nov 30, 2020 @ 2:22pm

Operation Completion

Halo 4: Complete a Spartan Ops mission.
Unlocked Nov 18, 2020 @ 8:09pm

Departure

Halo 4: Complete all chapters in Spartan Ops Episode 1.
Unlocked Nov 18, 2020 @ 9:23pm

Knight in White Assassination

Halo 4: Assassinate a Knight in any Spartan Ops mission.
Unlocked Nov 18, 2020 @ 9:00pm

Aim for the Head

Earn a total of 2,500 Headshot medals in multiplayer.
Unlocked Apr 5, 2022 @ 8:06pm

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.
Unlocked Jul 14, 2020 @ 2:36pm

Just Browsing

Halo 3: Complete a match on at least 4 different game types in multiplayer.
Unlocked Jul 15, 2020 @ 10:49am

Naughty Naughty

Kill 10 Engineers.
Unlocked Jul 28, 2020 @ 7:50pm

Well...Maybe One or Two

Kill 25 Engineers.
Unlocked Nov 29, 2020 @ 12:37pm

Listener

H3: ODST: Find the 1st Audio Log.
Unlocked Oct 2, 2020 @ 6:58pm

An Ear Full

H3: ODST: Find the 2nd Audio Log.
Unlocked Oct 2, 2020 @ 7:16pm

Tuned In

H3: ODST: Find the 3rd Audio Log.
Unlocked Oct 2, 2020 @ 8:12pm

Do Tell

H3: ODST: Find the 4th Audio Log.
Unlocked Oct 2, 2020 @ 8:17pm

Hear Me Out

H3: ODST: Find the 5th Audio Log.
Unlocked Oct 2, 2020 @ 8:27pm

Rookie

H3: ODST: Complete every level of the game on Easy difficulty.
Unlocked Oct 11, 2020 @ 8:03pm

Urban Warfare Badge

H3: ODST: Complete every level of the game on Normal difficulty.
Unlocked Oct 11, 2020 @ 8:03pm

First In, Last Out

H3: ODST: Complete every level of the game on Heroic difficulty.
Unlocked Oct 11, 2020 @ 8:03pm

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.
Unlocked Oct 11, 2020 @ 8:03pm

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.
Unlocked Oct 2, 2020 @ 6:35pm

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.
Unlocked Oct 2, 2020 @ 7:21pm

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.
Unlocked Oct 2, 2020 @ 8:34pm

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.
Unlocked Oct 10, 2020 @ 1:20pm

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.
Unlocked Oct 10, 2020 @ 10:21pm

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.
Unlocked Oct 10, 2020 @ 10:51pm

Tayari Plaza

H3: ODST: Complete Tayari Plaza.
Unlocked Oct 2, 2020 @ 6:54pm

Uplift Reserve

H3: ODST: Complete Uplift Reserve.
Unlocked Oct 2, 2020 @ 8:08pm

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.
Unlocked Oct 10, 2020 @ 1:06pm

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.
Unlocked Oct 10, 2020 @ 10:08pm

NMPD HQ

H3: ODST: Complete NMPD HQ.
Unlocked Oct 10, 2020 @ 10:37pm

Kikowani Station

H3: ODST: Complete Kikowani Station.
Unlocked Oct 11, 2020 @ 6:37pm

Data Hive

H3: ODST: Complete Data Hive.
Unlocked Oct 11, 2020 @ 6:50pm

Coastal Highway

H3: ODST: Complete Coastal Highway.
Unlocked Oct 11, 2020 @ 8:03pm

A Pleasant Trip

H3: ODST: Beat the par time on ONI Alpha Site.
Unlocked Apr 6, 2022 @ 2:46pm

Overtaken By Events

H3: ODST: Beat the par time on Data Hive.
Unlocked Oct 11, 2020 @ 6:50pm

Survey Says...

H3: ODST: Beat the par score on Tayari Plaza.
Unlocked Oct 2, 2020 @ 6:54pm

Son of a Gun

H3: ODST: Beat the par score on Kizingo Blvd.
Unlocked Oct 10, 2020 @ 1:06pm

I Love My Job

H3: ODST: Beat the par score on ONI Alpha Site.
Unlocked Oct 10, 2020 @ 10:08pm

Pour It On

H3: ODST: Beat the par score on NMPD HQ.
Unlocked Oct 10, 2020 @ 10:37pm

Magic Touch

H3: ODST: Beat the par score on Data Hive.
Unlocked Oct 11, 2020 @ 7:20pm

NEXT!

H3: ODST: Complete a Halo 3: ODST playlist.
Unlocked Apr 6, 2022 @ 3:14pm

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Unlocked Oct 2, 2020 @ 6:32pm

Pineapple Express

H3: ODST: Kill 4 enemies with a single plasma or frag grenade.
Unlocked Oct 2, 2020 @ 6:16pm

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.
Unlocked Oct 2, 2020 @ 8:07pm

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.
Unlocked Oct 2, 2020 @ 6:41pm

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.
Unlocked Oct 2, 2020 @ 6:53pm

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.
Unlocked Mar 21, 2020 @ 11:58am

No Picnic

Halo: Reach: Observe a grizzly scene on New Alexandria.
Unlocked Nov 27, 2020 @ 1:16pm

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.
Unlocked Dec 21, 2019 @ 5:11pm

I Need A Weapon

Halo: Reach: Complete Nightfall.
Unlocked Mar 15, 2020 @ 11:21am

To War

Halo: Reach: Complete Tip of the Spear.
Unlocked Mar 15, 2020 @ 12:12pm

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.
Unlocked Mar 22, 2020 @ 11:41am

Into The Howling Dark

Halo: Reach: Complete Exodus.
Unlocked Mar 22, 2020 @ 1:17pm

Dust And Echoes

Halo: Reach: Complete New Alexandria.
Unlocked Mar 22, 2020 @ 2:22pm

This Is Not Your Grave

Halo: Reach: Complete The Package.
Unlocked Mar 23, 2020 @ 10:32am

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.
Unlocked Mar 23, 2020 @ 12:25pm

Welcome to Reach

Halo: Reach: Complete every level of the game on Easy difficulty.
Unlocked Mar 23, 2020 @ 12:25pm

The Soldier We Need You To Be

Halo: Reach: Complete every level of the game on Normal difficulty.
Unlocked Mar 23, 2020 @ 12:25pm

Folks Need Heroes…

Halo: Reach: Complete every level of the game on Heroic difficulty.
Unlocked Mar 23, 2020 @ 12:25pm

Gods Must Be Strong

Halo: Reach: Complete every level of the game on Legendary difficulty.
Unlocked Mar 23, 2020 @ 12:25pm

A Monument To All Your Sins

Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.
Unlocked Mar 23, 2020 @ 12:25pm

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.
Unlocked Dec 5, 2020 @ 9:46pm

Just Like Storming a Castle

Halo: Reach: Beat the par time on ONI: Sword Base.
Unlocked Jan 24, 2022 @ 2:15pm

Now Just You Gúta Minute

Halo: Reach: Beat the par time on Nightfall.
Unlocked Jan 24, 2022 @ 3:20pm

Generous Tipper

Halo: Reach: Beat the par time on Tip of the Spear.
Unlocked Dec 5, 2020 @ 10:58pm

Sabre Metrics

Halo: Reach: Beat the par time on Long Night of Solace.
Unlocked Dec 5, 2020 @ 10:10pm

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.
Unlocked Jan 24, 2022 @ 3:36pm

One For the Record Books

Halo: Reach: Beat the par time on New Alexandria.
Unlocked Jan 24, 2022 @ 3:51pm

Speedy Delivery

Halo: Reach: Beat the par time on The Package.
Unlocked Dec 5, 2020 @ 10:29pm

Wait, How'd the Ship Get Down Here?

Halo: Reach: Beat the par time on The Pillar of Autumn.
Unlocked Dec 5, 2020 @ 11:17pm

Fast Fall

Halo: Reach: Beat par time on all Halo: Reach levels.
Unlocked Jan 24, 2022 @ 3:51pm

Ice In Your Veins

Halo: Reach: Beat the par score on Winter Contingency.
Unlocked Apr 11, 2020 @ 6:16pm

Still Sharp

Halo: Reach: Beat the par score on ONI: Sword Base.
Unlocked Mar 5, 2022 @ 7:58pm

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.
Unlocked Mar 15, 2020 @ 11:21am

Bake That Cake

Halo: Reach: Beat the par score on Tip of the Spear.
Unlocked Mar 7, 2022 @ 9:07am

Insomnia

Halo: Reach: Beat the par score on Long Night of Solace.
Unlocked Mar 7, 2022 @ 12:09pm

Parting the Sea

Halo: Reach: Beat the par score on Exodus.
Unlocked Mar 8, 2022 @ 6:18pm

Nine Lives Are a Myth

Halo: Reach: Beat the par score on New Alexandria.
Unlocked Jul 29, 2020 @ 7:24pm

How Did I Lose All My Fingers?

Halo: Reach: Beat the par score on The Package.
Unlocked Apr 9, 2022 @ 9:18am

Precious Cargo

Halo: Reach: Beat the par score on The Pillar of Autumn.
Unlocked Jul 29, 2020 @ 9:15pm

We'll Be Back

Halo: Reach: Beat the par score on every Halo: Reach level.
Unlocked Apr 9, 2022 @ 9:18am

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.
Unlocked Mar 17, 2020 @ 9:20pm

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.
Unlocked Mar 14, 2022 @ 9:34pm

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.
Unlocked Apr 11, 2020 @ 5:52pm

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.
Unlocked Apr 11, 2020 @ 6:39pm

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace
Unlocked Jul 28, 2020 @ 7:47pm

Two Corpses In One Grave

Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.
Unlocked Apr 11, 2020 @ 8:19pm

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Unlocked Mar 15, 2020 @ 11:49am

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.
Unlocked Mar 22, 2020 @ 1:32pm

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.
Unlocked Mar 15, 2022 @ 3:50pm

Swift and Shallow

Halo: Reach: Hijack a Banshee during the Reach Campaign.
Unlocked Mar 23, 2020 @ 10:15am

HBOrg Special

Halo: Reach: Party with the DJ Brute.
Unlocked Mar 15, 2022 @ 10:56am

Front Page News

Halo: Reach: Find me in the club.
Unlocked Mar 22, 2020 @ 1:24pm

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.
Unlocked Mar 17, 2020 @ 8:53pm

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.
Unlocked Nov 29, 2020 @ 12:21pm

This is Not the Greatest Lab in the World…

Halo: Reach: Find your way into Halsey's Lab on The Package.
Unlocked Apr 13, 2022 @ 12:37pm

Hey, You Dropped This

Halo: Reach: Find Data Pad on 1 Winter Contingency
Unlocked Apr 11, 2020 @ 5:20pm

Read Halsey's Journal

Halo: Reach: Find Data Pad 2 on ONI: Sword Base
Unlocked Apr 11, 2020 @ 9:00pm

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall
Unlocked Mar 14, 2022 @ 9:31pm

Rampant Speculation

Halo: Reach: Find Data Pad 4 on Tip Of The Spear
Unlocked Mar 14, 2022 @ 9:36pm

Minority Report

Halo: Reach: Find Data Pad 5 on Long Night Of Solace
Unlocked Mar 7, 2022 @ 11:32am

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus
Unlocked Mar 14, 2022 @ 9:43pm

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria
Unlocked Mar 14, 2022 @ 9:45pm

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package
Unlocked Mar 14, 2022 @ 9:49pm

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn
Unlocked Mar 14, 2022 @ 9:54pm

Unreliable Narrator

Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty
Unlocked Apr 11, 2020 @ 5:04pm

What Does It All Mean?

Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty
Unlocked Apr 11, 2020 @ 8:37pm

Unsolved Mysteries

Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:00pm

Meddling and Madness

Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:05pm

The Answer is Simple

Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty
Unlocked Mar 14, 2022 @ 10:12pm

Of Patience and Partiality

Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:29pm

Curious Composition

Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:32pm

Silent Shepherds

Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:35pm

Assembled the Majority

Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:39pm

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty
Unlocked Mar 14, 2022 @ 10:41pm

Canonical Conundrum

Halo: Reach: Find all Data Pads.
Unlocked Mar 14, 2022 @ 10:41pm

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.
Unlocked Dec 5, 2020 @ 10:29pm

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.
Unlocked Mar 15, 2022 @ 11:18am

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.
Unlocked Jul 14, 2020 @ 8:34am

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.
Unlocked Dec 21, 2019 @ 10:03am

Skunked

Halo: Reach: Won a matchmade game of Invasion in the 1st phase.
Unlocked Dec 19, 2019 @ 1:16pm

Clear and Present Danger

Halo: Reach: Pad on the run.
Unlocked Apr 11, 2020 @ 5:04pm

Left Behind

Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.
Unlocked Apr 9, 2022 @ 10:28am

One Final Firefight

Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.
Unlocked Apr 9, 2022 @ 12:17pm

What About Bob?

Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.
Unlocked Mar 22, 2020 @ 11:23am

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.
Unlocked Dec 17, 2019 @ 1:08pm

Capacious Cartography

Halo: Reach: Create a custom map using Forge World.
Unlocked Apr 10, 2022 @ 10:55pm

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.
Unlocked Dec 21, 2019 @ 9:24am

Run and Gunned

Halo: Reach: Headshot 10 enemies while they are sprinting.
Unlocked Oct 16, 2020 @ 7:13pm

Game Breaker

Halo: Reach: Kill 10 enemies while using a Jetpack.
Unlocked Mar 30, 2022 @ 8:01pm

Because It Wasn't Hard Enough

Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).
Unlocked Mar 5, 2022 @ 8:02pm

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.
Unlocked Dec 19, 2019 @ 1:20pm

Collection Eligibility Confirmed

Halo: Reach: See, he IS in the game!
Unlocked Apr 10, 2022 @ 10:12pm

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.
Unlocked Mar 15, 2020 @ 11:44am

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.
Unlocked Dec 17, 2019 @ 1:30pm

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.
Unlocked Mar 22, 2020 @ 1:40pm



Mystery Achievement

Inscrutable. Mysterious.

Forged in Fire

Win 100 multiplayer games.

War Hero

Complete all campaigns on Heroic difficulty.

Legend

Complete all campaigns on Legendary difficulty.

Lore Master

Activate all terminals.

LASO Master

Complete each individual game specific LASO playlist for every Halo game.

Flyover Country

Halo CE: Beat the par time on Halo.

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.

TLDR

Halo CE: Beat the par time on The Library.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Scurty Bump

Halo CE: Beat the par time on Keyes.

All You Can Eat

Halo CE: Beat the par time on The Maw.

Did Somebody Say...

Halo CE: Beat par time on all Halo: CE levels.

Charted

Halo CE: Beat the par score on The Silent Cartographer.

Circuit Breaker

Halo CE: Beat the par score on 343 Guilty Spark.

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Headstrong

Halo CE: Beat the par score on Keyes.

Consumption Junction

Halo CE: Beat the par score on The Maw.

Overachiever

Halo CE: Beat the par score on all Halo: CE levels.

That Just Happened

Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.

Look Out for the Little Guys

Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.

Leave It Where It Lay

Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.

Tying Up Loose Ends

Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.

Like a Fine Wine

Halo CE: Complete the Halo: CE LASO Campaign playlist.

Madrigal Debut

Halo CE: Trigger a hidden music cue in Halo: CE.

T-Rex

Halo CE: Find the hidden Rex sign on The Maw.

Thirsty Grunt

Halo CE: Listen to the Thirsty Grunt talk about his eating habits.

Megg

Halo CE: It's a sign.

Goat Roped

Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

I Regret Nothing

Halo 2: Beat the par time on Regret.

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

Force of Will

Halo 2: Beat the par time on Gravemind.

No Man's Land

Halo 2: Beat the par time on Uprising.

Are We There Yet?

Halo 2: Beat the par time on The Great Journey.

Going Nowhere Fast

Halo 2: Beat par time on all Halo 2 levels.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

Official Business

Halo 2: Beat the par score on Gravemind.

The Hype Is Real

Halo 2: Beat the par score on Uprising.

Scorched Earth

Halo 2: Beat the par score on High Charity.

Arcade Owner

Halo 2: Beat the par score on every Halo 2 level.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Enamored

Halo 2: Activate Terminal 7 on Regret.

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

Skulltaker Halo 2: IWHBYD

Halo 2: Find and claim the IWHBYD Skull on Legendary.

Skulltaker Halo 2: Catch

Halo 2: Find and claim the Catch Skull on Legendary.

Skulltaker Halo 2: Grunt Birthday Party

Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.

Skulltaker Halo 2: Famine

Halo 2: Find and claim the Famine Skull on Legendary.

Skulltaker Halo 2: Envy

Halo 2: Find and claim the Envy Skull on Legendary.

Skulltaker Halo 2: Assassins

Halo 2: Find and claim the Assassins Skull on Legendary.

Skulltaker Halo 2: Mythic

Halo 2: Find and claim the Mythic Skull on Legendary.

Skulltaker Halo 2: Sputnik

Halo 2: Find and claim the Sputnik Skull on Legendary.

Skulltaker Halo 2: Anger

Halo 2: Find and claim the Anger Skull on Legendary.

Skulltaker Halo 2: Ghost

Halo 2: Find and claim the Ghost Skull on Legendary.

Skulltaker Halo 2: Iron

Halo 2: Find and claim the Iron Skull on Legendary.

Skulltaker Halo 2: Black Eye

Halo 2: Find and claim the Black Eye Skull on Legendary.

Trophy Collector

Halo 2: Find and claim all Skulls in Halo 2.

And So It Begins...

Halo 2: Collect the Master Chief toy in Delta Halo.

Regrettable Turn of Events

Halo 2: Collect the Prophet of Regret toy in Regret.

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

I Like Crazy

Halo 2: Collect the Rampant Cortana toy in High Charity.

Pyrrhic Solution

Halo 2: Collect the Didact toy in The Great Journey.

Toybox

Halo 2: Collect all eight Halo toys.

Hero

Halo 2: Complete every level of the game on Heroic difficulty.

Legendary Anniversary

Halo 2: Complete every level of the game on Legendary difficulty.

Seconds

Halo 2: Complete a Halo 2 playlist.

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Betcha can't stick it...

Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.

Cowardly Grunt

Halo 2: Listen to the Cowardly Grunt's woes.

Siege of Ivory Tower

Halo 2: Listen to a hidden music cue in Halo 2.

Rex Sword

Halo 2: Grab the energy sword on the level Outskirts.

10 Minutes Too Early

Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.

HI BEN

Halo 2: Oh, hi!

Animal Habitat

Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.

Sid Graffiti

Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.

E E E

Halo 2: View both signs in the level Metropolis.

Why So Serious

Halo 2: View the smiling face in the classic multiplayer map Coagulation.

Why Am I Here?

Halo 2: View this hidden message on the classic Beaver Creek map.

GOOOAAAAALLLL!

Halo 2: Shoot the soccer ball in the level Metropolis.

Needs More Whammy Bar

Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.

Like Peanut Butter and Chocolate

Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.

Starved For Shields

Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.

Commuter

Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.

He Never Gets Me Anything

Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Grand Theft Halo

Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.

Tour of Duty

Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.

Ninja Redux

Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.

Back for More

Halo 2: Complete the LASO campaign playlist.

Monopolized

Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Time Shift

Halo 3: Beat the par time on Crow's Nest.

Lightning Strike

Halo 3: Beat the par time on The Storm.

Waypoint

Halo 3: Beat the par time on The Ark.

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Making History

Halo 3: Beat the par time on Cortana.

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Speed Demon

Halo 3: Beat the par time on all Halo 3 levels.

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

Torchbearer

Halo 3: Beat the par score on Halo.

Better With Age

Halo 3: Beat the par score on every Halo 3 level.

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Begins with a Single Step

Halo 3: On Tsavo Highway, complete the level without entering a vehicle.

Who Needs Them?

Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.

Annual

Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.

Dirge of Madrigal

Halo 3: Trigger the hidden music cue in Halo 3.

Haplorrhini

Halo 3: Find a lonely missing link.

Flipyap

Halo 3: Listen to the tale of a young Grunt named Flipyap.

Heading to his Destiny

Halo 3: Destined for greatness.

Sounds Familiar

Halo 3: This stuff is your history!

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Milk Carton

Halo 3: Find the poster of the missing man.

Cool Story Bro

Halo 3: Listen to the story of the Final Grunt.

Man on the Moon

Halo 3: He's watching you.

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Devastating

Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.

Interloper

Halo 4: Beat the par time on Requiem.

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Countdown

Halo 4: Beat the par time on Midnight.

Easy As One Two Three

Halo 4: Beat the par time on all Halo 4 levels.

Dark Fortress

Halo 4: Beat the par score on Requiem.

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

You Had it Coming

Halo 4: Beat the par score on every Halo 4 level.

War

Halo 4: Activate Terminal 1 on Requiem.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Lone Wolf Legend

Halo 4: Complete every level of the game on Legendary difficulty, by yourself.

This is my Rifle, This is my Gun

Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.

Bros to the Close

Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.

Give Him the Stick

Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.

You're No Chips

Halo 4: What do Marines know about sticks?

You're Joking

Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.

He's Running a Marathon...

Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.

Destination Vacation

Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.

Mind the Gap

Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.

Back In The Day

Halo CE: Play a CTF custom game on Blood Gulch with 4 players. Tri-tip optional.

Pacifist

Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.

Wraith Hunter

Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.

This Side Up

Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.

Mortardom

Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.

All According to Plan...

Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.

The Return of Megg

Halo 2: She's not picking up.

No-Fly Zone

Halo CE: Destroy three of the four Banshees on Halo during a single play-through.

Missing Link

Halo 3: Watching. Waiting. Plotting.

Eminent Domain

Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.

Gate Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.

High Altitude Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.

Invaders Repelled

Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.

Master Forger

Created and saved 5 Custom Maps in Forge.

Power Play

Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.

Put Up Your Dukes

Halo 2A MP: Get 25 melee kills in multiplayer.

Red vs. Blue

Halo 2A MP: Win 10 matches on Bloodline in multiplayer.

Rule Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.

Shields Up!

Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.

Shook the Hornet's Nest

Halo 2A MP: Get 30 kills with the Hornet in multiplayer.

Skeet Shooter

Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.

Stayin' Alive

Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.

The Goose is Loose

Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.

Thirst Locked Down!

Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.

Top Gungoose

Halo 2A MP: Get a kill with the Gungoose while airborne.

BLASTacular!

Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.

Bloody Thirsty!

Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.

Bombing Run

Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.

Cold as Ice

Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.

Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.

Triple Threat

Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.

Wetwork

Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.

Worship Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.

Zealot

Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.

A Preference for Pain

Halo 3: Complete the Halo 3 LASO Campaign playlist.

Aficiando

Halo 3: Complete three Halo 3 playlists.

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

Devotee

Halo 4: Complete three Halo 4 playlists.

Throne of Bones

Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

In It To Win It

Win 200 multiplayer games.

Sharpshooter

Win 150 multiplayer games.

Battle Hardened

Win 250 multiplayer games.

Thermopylae

Win 300 multiplayer games.

Striking Fear in Their Hearts

Win 350 multiplayer games.

Steady Aim

Win 400 multiplayer games.

Quick Trigger Finger

Win 450 multiplayer games.

Long Time Fan

Complete 450 missions or multiplayer games.

Multiplayer Champion

Win 500 multiplayer games.

The Long Haul

Complete 500 missions or multiplayer games.

Remove the Bishops From the Board

Kill 1000 Watchers.

Knightbane

Kill 1000 Knights.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

Artifact

Halo 4: Complete all chapters in Spartan Ops Episode 2.

Catherine

Halo 4: Complete all chapters in Spartan Ops Episode 3.

Didact's Hand

Halo 4: Complete all chapters in Spartan Ops Episode 4.

Memento Mori

Halo 4: Complete all chapters in Spartan Ops Episode 5.

Scattered

Halo 4: Complete all chapters in Spartan Ops Episode 6.

Invasion

Halo 4: Complete all chapters in Spartan Ops Episode 7.

Expendable

Halo 4: Complete all chapters in Spartan Ops Episode 8.

Key

Halo 4: Complete all chapters in Spartan Ops Episode 9.

Exodus

Halo 4: Complete all chapters in Spartan Ops Episode 10.

Feet First

Halo 4: Complete all Spartan Ops chapters.

Term of Enlistment

Halo 4: Complete all Spartan Ops chapters on Normal difficulty.

Hazard Pay

Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.

Icarus

Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.

Smooth Operator

Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.

Roses vs Violets

Halo 4: Why are you even here?

No One Left Behind

Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.

What Power Outage?

Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.

No Easy Way Out

Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.

Nice Work Dawg!

Earn a total of 2,500 Assist medals in multiplayer.

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Domination

Earn a total of 100 Legendary medals in matchmade games.

Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.

Spree Master

Earn a total of 100 Killing Spree medals in matchmade games.

Catch This

Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Planting A Flag

Earn a total of 250 CTF Mode Specific medals in matchmade games.

The True King

Earn a total of 250 KOTH Mode Specific medals in matchmade games.

Roadkill Rampage

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.

Rock and Coil Hit Back

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Airborne

Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.

Assembly Skull

Halo 3: Find the hidden Skull on the Assembly multiplayer map.

Orbital Skull

Halo 3: Find the hidden Skull on the Orbital multiplayer map.

Sandbox Skull

Halo 3: Find the hidden Skull on the Sandbox multiplayer map.

Citadel Skull

Halo 3: Find the hidden Skull on the Citadel multiplayer map.

Heretic Skull

Halo 3: Find the hidden Skull on the Heretic multiplayer map.

Longshore Skull

Halo 3: Find the hidden Skull on the Longshore multilayer map.

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

Sightseeing

Halo CE: Complete a match on at least 8 different classic multiplayer maps.

Checking Out Your Options

Halo CE: Complete a match on at least 4 unique game types.

Tourist

Halo 2: Complete a match on at least 8 different classic multiplayer maps.

Window Shopping

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.

Taste Test

Halo 4: Complete a match on at least 4 different game types in multiplayer.

Eavesdropping

H3: ODST: Find the 6th Audio Log.

Auditor

H3: ODST: Find the 7th Audio Log.

Overheard

H3: ODST: Find the 8th Audio Log.

Wiretapping

H3: ODST: Find the 9th Audio Log.

Monitored

H3: ODST: Find the 10th Audio Log.

Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

Give Heed

H3: ODST: Find the 12th Audio Log.

Get A Load

H3: ODST: Find the 13th Audio Log.

Snoop Troop

H3: ODST: Find the 14th Audio Log.

All Ears

H3: ODST: Find the 15th Audio Log.

Ear Bender

H3: ODST: Find the 16th Audio Log.

Plugged In

H3: ODST: Find the 17th Audio Log.

Attentive

H3: ODST: Find the 18th Audio Log.

Watchful

H3: ODST: Find the 19th Audio Log.

Observant

H3: ODST: Find the 20th Audio Log.

Scout

H3: ODST: Find the 21st Audio Log.

Adventurer

H3: ODST: Find the 22nd Audio Log.

Spotter

H3: ODST: Find the 23rd Audio Log.

Considerate

H3: ODST: Find the 24th Audio Log.

On Your Toes

H3: ODST: Find the 25th Audio Log.

Archivist

H3: ODST: Find the 26th Audio Log.

Your Attention Please

H3: ODST: Find the 27th Audio Log.

Catching On

H3: ODST: Find the 28th Audio Log.

Wisening Up

H3: ODST: Find the 29th Audio Log.

Audiophile

H3: ODST: Find the 30th Audio Log.

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

Bill Past Due

H3: ODST: Beat the par time on Tayari Plaza.

Floor It!

H3: ODST: Beat the par time on Uplift Reserve.

An Artist's Canvas

H3: ODST: Beat the par time on Kizingo Blvd.

First Stop: Anywhere But Here!

H3: ODST: Beat the par time on NMPD HQ.

Feet Don't Fail Me Now

H3: ODST: Beat the par time on Kikowani Station.

Double Time!

H3: ODST: Beat the par time on Coastal Highway.

Can't Stop Here, This is Brute Country

H3: ODST: Beat par time on all Halo 3: ODST levels.

Don't Strain Your Metaphors

H3: ODST: Beat the par score on Uplift Reserve.

Squid Jackpot!

H3: ODST: Beat the par score on Kikowani Station.

This Oliphant Has No Brakes

H3: ODST: Beat the par score on Coastal Highway.

The Marine Corps Gives Its Regards

H3: ODST: Beat par score on all Halo 3: ODST levels.

Déjà Vu

H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.

Do You Remember When We Met

H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.

Safety Not Guaranteed

H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.

Trifecta

H3: ODST: Complete three Halo 3: ODST playlists.

Nagato Makes Moving Easy

H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.

One Got Away

H3: ODST: View the missing link.

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

Vandalized

H3: ODST: Face it.

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

Classic

H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.

Catch 'Em Napping

H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.

Strong, Silent Type

H3: ODST: Assassinate 3 Brutes in a row on Data Hive.

Fowl Hunt

H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.

Does Whatever a Spartan Can?

H3: ODST: Destroy a Wraith…with your bare hands.

Firefly

H3: ODST: Kill a Drone with a flame grenade on Data Hive.

"BLAM" Said The Lady!

H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.

One Way Ride

H3: ODST: Complete any level without using a health pack on Heroic or Legendary.

Just Sayin...I Ain't Dead

H3: ODST: Complete any level without dying on Heroic or Legendary.

Those Left Behind

H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.

Shoot and Scoot

H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.

Fast and Low

H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

What About Those Tanks?

H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.

Monumental Thirst!

H2A: Found and destroyed the BLAST soda can on Remnant..

Forza in the Fall

Halo: Reach: Flip the switches to become a Reach Racer!

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

We're Gonna Need a Bigger Ship

Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.

Fly, You Fools!

Halo: Reach: Find the hidden Banshees on The Package.

Why Do This To Yourself?

Halo: Reach: Complete the Halo: Reach LASO Campaign playlist.

Keep Your Foot on the Pedrogas

Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.

Negative, Ghostrider

Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Classic Completion

Halo: Reach: Complete Exodus without using any armor abilities.