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257 of 700 (37%) achievements earned:
Personal Achievements
 

Just Getting Started

Kill 100 enemies or players.
Unlocked Dec 3, 2019 @ 12:00pm

Balaho's Most Wanted

Kill 100 Grunts.
Unlocked Dec 3, 2019 @ 12:00pm

The One Percent

Kill 100 Elites.
Unlocked Dec 3, 2019 @ 12:00pm

Spoilsport

Kill 100 Jackals.
Unlocked Dec 3, 2019 @ 12:00pm

Going Bananas

Kill 100 Brutes.
Unlocked May 29, 2020 @ 10:55pm

Hunters Hunted

Kill 50 Hunters.
Unlocked Dec 3, 2019 @ 12:00pm

Thanks A Killion

Kill 20,000 enemies or players.
Unlocked Sep 9, 2023 @ 9:51pm

Medal Completionist

Collect 10,000 campaign or playlist medals.
Unlocked Sep 10, 2022 @ 11:52pm

The Guardians Are Coming

Get killed by the Guardians.
Unlocked Jul 15, 2020 @ 6:35pm

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.
Unlocked Dec 3, 2019 @ 12:00pm

Where Am I?

Complete 10 missions or multiplayer games.
Unlocked Dec 3, 2019 @ 12:00pm

I Got This

Complete 100 missions or multiplayer games.
Unlocked May 29, 2020 @ 10:55pm

Tempered Blade

Win 10 multiplayer games.
Unlocked May 29, 2020 @ 11:26pm

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.
Unlocked Dec 3, 2019 @ 12:00pm

Your Journey Begins

Complete a campaign mission or a match of multiplayer.
Unlocked Dec 3, 2019 @ 12:00pm

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.
Unlocked May 29, 2020 @ 10:55pm

Halo

Halo CE: Complete Halo.
Unlocked May 29, 2020 @ 10:55pm

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.
Unlocked May 29, 2020 @ 10:55pm

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.
Unlocked May 29, 2020 @ 10:55pm

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.
Unlocked May 29, 2020 @ 10:55pm

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.
Unlocked May 29, 2020 @ 10:55pm

The Library

Halo CE: Complete The Library.
Unlocked May 29, 2020 @ 10:55pm

Two Betrayals

Halo CE: Complete Two Betrayals.
Unlocked May 29, 2020 @ 10:55pm

Keyes

Halo CE: Complete Keyes.
Unlocked May 29, 2020 @ 10:55pm

The Maw

Halo CE: Complete The Maw.
Unlocked May 29, 2020 @ 10:55pm

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.
Unlocked May 29, 2020 @ 10:55pm

Charted

Halo CE: Beat the par score on The Silent Cartographer.
Unlocked Aug 28, 2022 @ 10:47pm

Reading Room

Halo CE: Beat the par score on The Library.
Unlocked Sep 11, 2022 @ 12:10am

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.
Unlocked Sep 11, 2022 @ 10:37pm

Sacrifice

Halo CE: Activate Terminal 2 on Halo.
Unlocked May 29, 2020 @ 10:55pm

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Unlocked May 29, 2020 @ 10:55pm

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.
Unlocked May 29, 2020 @ 10:55pm

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.
Unlocked Aug 28, 2022 @ 11:56pm

Skulltaker Halo: CE: Foreign

Halo CE: Find and claim the Foreign skull in remastered mode.
Unlocked Aug 28, 2022 @ 2:16am

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine skull in remastered mode.
Unlocked Aug 28, 2022 @ 2:49am

Skulltaker Halo: CE: Eye Patch

Halo CE: Find and claim the Eye Patch skull in remastered mode.
Unlocked Sep 11, 2022 @ 12:08am

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Unlocked Sep 11, 2022 @ 11:25pm

Birth of a Spartan

Halo CE: Complete every level of the game on Normal difficulty.
Unlocked May 29, 2020 @ 10:55pm

Believe in a Hero

Halo CE: Complete every level of the game on Heroic difficulty.
Unlocked May 29, 2020 @ 10:55pm

Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.
Unlocked Sep 11, 2022 @ 11:47pm

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Unlocked Aug 4, 2021 @ 10:13am

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Unlocked Aug 4, 2021 @ 10:13am

A Fine Choice

Halo CE: Complete a Halo: CE playlist.
Unlocked Sep 11, 2022 @ 11:47pm

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.
Unlocked Aug 28, 2022 @ 10:36pm

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Unlocked May 29, 2020 @ 10:55pm

Thirsty Grunt

Halo CE: Listen to the Thirsty Grunt talk about his eating habits.
Unlocked Sep 11, 2022 @ 11:26pm

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Unlocked Sep 11, 2022 @ 10:37pm

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.
Unlocked Dec 3, 2019 @ 12:00pm

Brovershield

Complete any co-op level on Heroic difficulty.
Unlocked Dec 3, 2019 @ 12:00pm

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.
Unlocked May 29, 2020 @ 10:55pm

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.
Unlocked Oct 5, 2021 @ 12:58pm

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.
Unlocked May 29, 2020 @ 10:55pm

Cairo Station

Halo 2: Complete Cairo Station.
Unlocked May 29, 2020 @ 10:55pm

Outskirts

Halo 2: Complete Outskirts.
Unlocked May 29, 2020 @ 10:55pm

Metropolis

Halo 2: Complete Metropolis.
Unlocked May 29, 2020 @ 10:55pm

The Arbiter

Halo 2: Complete The Arbiter.
Unlocked May 29, 2020 @ 10:55pm

Oracle

Halo 2: Complete The Oracle.
Unlocked May 29, 2020 @ 10:55pm

Delta Halo

Halo 2: Complete Delta Halo.
Unlocked May 29, 2020 @ 10:55pm

Regret

Halo 2: Complete Regret.
Unlocked May 29, 2020 @ 10:55pm

Sacred Icon

Halo 2: Complete Sacred Icon.
Unlocked May 29, 2020 @ 10:55pm

Quarantine Zone

Halo 2: Complete Quarantine Zone.
Unlocked May 29, 2020 @ 10:55pm

Gravemind

Halo 2: Complete Gravemind.
Unlocked May 29, 2020 @ 10:55pm

Uprising

Halo 2: Complete Uprising.
Unlocked May 29, 2020 @ 10:55pm

High Charity

Halo 2: Complete High Charity.
Unlocked May 29, 2020 @ 10:55pm

The Great Journey

Halo 2: Complete The Great Journey.
Unlocked May 29, 2020 @ 10:55pm

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.
Unlocked May 29, 2020 @ 10:55pm

Rooftop Runner

Halo 2: Beat the par time on Outskirts.
Unlocked Sep 13, 2022 @ 5:26pm

Objective Secured

Halo 2: Beat the par score on Outskirts.
Unlocked Oct 21, 2023 @ 9:52am

Ripple Fire

Halo 2: Beat the par score on Metropolis.
Unlocked May 29, 2020 @ 10:55pm

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.
Unlocked May 29, 2020 @ 10:55pm

Boundless

Halo 2: Beat the par score on Delta Halo.
Unlocked May 29, 2020 @ 10:55pm

Fists of Fury

Halo 2: Beat the par score on Regret.
Unlocked May 29, 2020 @ 10:55pm

Scorched Earth

Halo 2: Beat the par score on High Charity.
Unlocked May 29, 2020 @ 10:55pm

Frequent Flyer Miles

Halo 2: Beat the par score on The Great Journey.
Unlocked May 29, 2020 @ 10:55pm

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.
Unlocked May 29, 2020 @ 10:55pm

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.
Unlocked Sep 13, 2022 @ 9:41pm

Enamored

Halo 2: Activate Terminal 7 on Regret.
Unlocked May 29, 2020 @ 10:55pm

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.
Unlocked Apr 3 @ 11:26pm

Scholar

Halo 2: Activate Terminal 11 on Uprising.
Unlocked May 29, 2020 @ 10:55pm

Skulltaker Halo 2: That's Just…Wrong

Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.
Unlocked Sep 13, 2022 @ 3:19pm

Skulltaker Halo 2: Thunderstorm

Halo 2: Find and claim the Thunderstorm Skull on Legendary.
Unlocked Sep 13, 2022 @ 5:10pm

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.
Unlocked Sep 13, 2022 @ 5:10pm

Skulltaker Halo 2: Catch

Halo 2: Find and claim the Catch Skull on Legendary.
Unlocked Sep 13, 2022 @ 6:50pm

Skulltaker Halo 2: Grunt Birthday Party

Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.
Unlocked Sep 13, 2022 @ 7:48pm

Skulltaker Halo 2: Assassins

Halo 2: Find and claim the Assassins Skull on Legendary.
Unlocked Sep 19, 2022 @ 12:11pm

Skulltaker Halo 2: Mythic

Halo 2: Find and claim the Mythic Skull on Legendary.
Unlocked Sep 30, 2022 @ 7:52pm

Warrior

Halo 2: Complete every level of the game on Normal difficulty.
Unlocked May 29, 2020 @ 10:55pm

Hero

Halo 2: Complete every level of the game on Heroic difficulty.
Unlocked May 29, 2020 @ 10:55pm

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.
Unlocked May 29, 2020 @ 10:55pm

Cowardly Grunt

Halo 2: Listen to the Cowardly Grunt's woes.
Unlocked May 29, 2020 @ 10:55pm

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Unlocked May 29, 2020 @ 10:55pm

Rex Sword

Halo 2: Grab the energy sword on the level Outskirts.
Unlocked Sep 13, 2022 @ 5:13pm

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.
Unlocked May 29, 2020 @ 10:55pm

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.
Unlocked May 29, 2020 @ 10:55pm

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
Unlocked May 29, 2020 @ 11:41pm

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
Unlocked Mar 7, 2021 @ 1:45pm

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
Unlocked Mar 7, 2021 @ 1:38pm

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Unlocked Mar 7, 2021 @ 1:46pm

Back At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.
Unlocked Jun 8, 2020 @ 11:20pm

Landfall

Halo 3: Complete Sierra 117.
Unlocked Jul 15, 2020 @ 6:35pm

Holdout

Halo 3: Complete Crow's Nest.
Unlocked Jul 15, 2020 @ 6:35pm

The Road

Halo 3: Complete Tsavo Highway.
Unlocked Jul 15, 2020 @ 6:35pm

Assault

Halo 3: Complete The Storm.
Unlocked Jul 15, 2020 @ 6:35pm

Cleansing

Halo 3: Complete Floodgate.
Unlocked Jul 15, 2020 @ 6:35pm

Refuge

Halo 3: Complete The Ark.
Unlocked Jul 21, 2020 @ 10:32pm

Last Stand

Halo 3: Complete The Covenant.
Unlocked Jul 15, 2020 @ 6:35pm

The Key

Halo 3: Complete Cortana.
Unlocked Jul 15, 2020 @ 6:35pm

Return

Halo 3: Complete Halo.
Unlocked Jul 22, 2020 @ 11:29pm

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.
Unlocked Jul 21, 2020 @ 9:16pm

Time Shift

Halo 3: Beat the par time on Crow's Nest.
Unlocked Jul 21, 2020 @ 9:32pm

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.
Unlocked Jul 21, 2020 @ 8:24pm

Lightning Strike

Halo 3: Beat the par time on The Storm.
Unlocked Jul 21, 2020 @ 8:36pm

Dambuster

Halo 3: Beat the par time on Floodgate.
Unlocked Jul 21, 2020 @ 8:42pm

Scarab Slide

Halo 3: Beat the par time on The Covenant.
Unlocked Jul 21, 2020 @ 11:12pm

Making History

Halo 3: Beat the par time on Cortana.
Unlocked Jul 21, 2020 @ 11:28pm

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.
Unlocked Jul 22, 2020 @ 11:29pm

Guerilla

Halo 3: Beat the par score on Sierra 117.
Unlocked May 20, 2021 @ 10:52pm

Cavalier

Halo 3: Beat the par score on Tsavo Highway.
Unlocked May 20, 2021 @ 11:49pm

Askar

Halo 3: Beat the par score on The Storm.
Unlocked Jul 21, 2020 @ 9:58pm

Exterminator

Halo 3: Beat the par score on Floodgate.
Unlocked Jun 10, 2021 @ 10:30pm

Ranger

Halo 3: Beat the par score on The Ark.
Unlocked Jul 21, 2020 @ 10:32pm

Vanguard

Halo 3: Beat the par score on The Covenant.
Unlocked Jul 21, 2020 @ 11:12pm

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull on Normal or harder.
Unlocked Jul 21, 2020 @ 9:16pm

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull on Normal or harder.
Unlocked Jul 21, 2020 @ 9:17pm

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull on Normal or harder.
Unlocked Jul 25, 2020 @ 9:16pm

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.
Unlocked Jul 21, 2020 @ 10:40pm

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull on Normal or harder.
Unlocked Jul 26, 2020 @ 3:30pm

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull on Normal or harder.
Unlocked Jul 22, 2020 @ 11:14pm

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.
Unlocked Jul 22, 2020 @ 11:29pm

Begins with a Single Step

Halo 3: On Tsavo Highway, complete the level without entering a vehicle.
Unlocked May 20, 2021 @ 10:25pm

Dirge of Madrigal

Halo 3: Trigger the hidden music cue in Halo 3.
Unlocked Jul 26, 2020 @ 3:16pm

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Unlocked Jul 15, 2020 @ 6:35pm

Delicious Brains

Kill 100 Flood.
Unlocked May 29, 2020 @ 10:55pm

Zombie Repeller

Kill 1000 Flood.
Unlocked May 29, 2020 @ 10:55pm

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.
Unlocked Jul 25, 2020 @ 8:48pm

Dawn

Halo 4: Complete Dawn.
Unlocked Jan 27, 2021 @ 4:14pm

Requiem

Halo 4: Complete Requiem.
Unlocked Jan 27, 2021 @ 4:14pm

Forerunner

Halo 4: Complete Forerunner.
Unlocked Jan 27, 2021 @ 4:14pm

Gunslinger

Halo 4: Beat the par score on Dawn.
Unlocked Jan 27, 2021 @ 4:14pm

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.
Unlocked Jan 27, 2021 @ 4:14pm

Bro Hammer

Complete any co-op level on Legendary difficulty.
Unlocked Mar 7, 2021 @ 1:51pm

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.
Unlocked Mar 7, 2021 @ 1:40pm

Dirty Bird

Halo 2: Fly the Heretic Banshee.
Unlocked May 29, 2020 @ 10:55pm

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.
Unlocked Jul 22, 2020 @ 11:30pm

A Pile of Medals

Collect 2,000 campaign or playlist medals.
Unlocked Dec 3, 2019 @ 12:00pm

A Crate of Medals

Collect 3,000 campaign or playlist medals.
Unlocked Dec 3, 2019 @ 12:00pm

A Heap of Medals

Collect 4,000 campaign or playlist medals.
Unlocked May 29, 2020 @ 10:55pm

A Few Trinkets

Collect 5,000 campaign or playlist medals.
Unlocked May 29, 2020 @ 10:55pm

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.
Unlocked Jul 26, 2020 @ 3:09pm

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.
Unlocked Mar 17, 2021 @ 1:49pm

Medal Master Chief

Collect 8,000 campaign or playlist medals.
Unlocked Jun 10, 2021 @ 9:40pm

Contender

Win 50 multiplayer games.
Unlocked Mar 7, 2021 @ 1:24pm

Game On

Complete 50 missions or multiplayer games.
Unlocked Dec 3, 2019 @ 12:00pm

Bonus Level

Complete 200 missions or multiplayer games.
Unlocked Jul 25, 2020 @ 10:51pm

Can't Put It Down

Complete 150 missions or multiplayer games.
Unlocked Jun 7, 2020 @ 12:05am

Up All Night

Complete 250 missions or multiplayer games.
Unlocked Jan 28, 2021 @ 1:41pm

Can't Get Enough

Complete 300 missions or multiplayer games.
Unlocked Mar 30, 2021 @ 9:47pm

Committed

Complete 350 missions or multiplayer games.
Unlocked Aug 4, 2021 @ 11:22am

Big Time Gamer

Complete 400 missions or multiplayer games.
Unlocked Sep 13, 2022 @ 7:09pm

Long Time Fan

Complete 450 missions or multiplayer games.
Unlocked Jan 27 @ 8:41pm

Just A Taste

Collect 500 campaign or playlist medals.
Unlocked Dec 3, 2019 @ 12:00pm

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.
Unlocked Dec 3, 2019 @ 12:00pm

Foe Hammer

Kill 5,000 enemies or players.
Unlocked Dec 3, 2019 @ 12:00pm

Gruntageddon

Kill 1000 Grunts.
Unlocked Dec 3, 2019 @ 12:00pm

Were It So Easy

Kill 1000 Elites.
Unlocked May 29, 2020 @ 10:55pm

Scavenger Hunt

Kill 1000 Jackals.
Unlocked May 29, 2020 @ 10:55pm

Dankey Kang

Kill 1000 Brutes.
Unlocked Oct 16, 2023 @ 4:34pm

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.
Unlocked May 29, 2020 @ 10:55pm

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.
Unlocked Jul 15, 2020 @ 6:35pm

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.
Unlocked Jul 22, 2020 @ 11:29pm

King of the Crows

Halo 3: Beat the par score on Crow's Nest.
Unlocked Jul 15, 2020 @ 6:35pm

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull on Normal or harder.
Unlocked Jul 15, 2020 @ 6:35pm

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.
Unlocked Jul 25, 2020 @ 8:55pm

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull on Normal or harder.
Unlocked Jul 21, 2020 @ 10:29pm

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull on Normal or harder.
Unlocked Jul 26, 2020 @ 3:27pm

Tourist

Halo 2: Complete a match on at least 8 different classic multiplayer maps.
Unlocked Jun 4, 2020 @ 12:53am

Window Shopping

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.
Unlocked May 29, 2020 @ 11:53pm

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.
Unlocked Jul 25, 2020 @ 9:44pm

Just Browsing

Halo 3: Complete a match on at least 4 different game types in multiplayer.
Unlocked Jul 25, 2020 @ 11:03pm

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.
Unlocked Sep 11, 2022 @ 7:57pm

Listener

H3: ODST: Find the 1st Audio Log.
Unlocked Mar 20, 2021 @ 11:22pm

An Ear Full

H3: ODST: Find the 2nd Audio Log.
Unlocked Mar 20, 2021 @ 11:23pm

Tuned In

H3: ODST: Find the 3rd Audio Log.
Unlocked Mar 20, 2021 @ 11:45pm

Do Tell

H3: ODST: Find the 4th Audio Log.
Unlocked Mar 20, 2021 @ 11:47pm

Hear Me Out

H3: ODST: Find the 5th Audio Log.
Unlocked Mar 20, 2021 @ 11:53pm

Eavesdropping

H3: ODST: Find the 6th Audio Log.
Unlocked Mar 22, 2021 @ 11:57pm

Rookie

H3: ODST: Complete every level of the game on Easy difficulty.
Unlocked Mar 30, 2021 @ 9:47pm

Urban Warfare Badge

H3: ODST: Complete every level of the game on Normal difficulty.
Unlocked Mar 30, 2021 @ 9:47pm

First In, Last Out

H3: ODST: Complete every level of the game on Heroic difficulty.
Unlocked Mar 30, 2021 @ 9:47pm

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.
Unlocked Mar 30, 2021 @ 9:47pm

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.
Unlocked Mar 20, 2021 @ 11:00pm

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.
Unlocked Mar 20, 2021 @ 11:24pm

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.
Unlocked Mar 20, 2021 @ 11:55pm

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.
Unlocked Mar 22, 2021 @ 11:09pm

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.
Unlocked Mar 22, 2021 @ 11:38pm

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.
Unlocked Mar 22, 2021 @ 11:58pm

Tayari Plaza

H3: ODST: Complete Tayari Plaza.
Unlocked Mar 20, 2021 @ 11:16pm

Uplift Reserve

H3: ODST: Complete Uplift Reserve.
Unlocked Mar 20, 2021 @ 11:41pm

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.
Unlocked Mar 21, 2021 @ 12:10am

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.
Unlocked Mar 22, 2021 @ 11:29pm

NMPD HQ

H3: ODST: Complete NMPD HQ.
Unlocked Mar 22, 2021 @ 11:54pm

Kikowani Station

H3: ODST: Complete Kikowani Station.
Unlocked Mar 23, 2021 @ 12:18am

Data Hive

H3: ODST: Complete Data Hive.
Unlocked Mar 23, 2021 @ 12:54am

Coastal Highway

H3: ODST: Complete Coastal Highway.
Unlocked Mar 30, 2021 @ 9:47pm

Survey Says...

H3: ODST: Beat the par score on Tayari Plaza.
Unlocked Mar 20, 2021 @ 11:16pm

Don't Strain Your Metaphors

H3: ODST: Beat the par score on Uplift Reserve.
Unlocked Mar 20, 2021 @ 11:41pm

Son of a Gun

H3: ODST: Beat the par score on Kizingo Blvd.
Unlocked Mar 21, 2021 @ 12:10am

I Love My Job

H3: ODST: Beat the par score on ONI Alpha Site.
Unlocked Mar 22, 2021 @ 11:29pm

Pour It On

H3: ODST: Beat the par score on NMPD HQ.
Unlocked Mar 22, 2021 @ 11:54pm

Magic Touch

H3: ODST: Beat the par score on Data Hive.
Unlocked Mar 23, 2021 @ 12:54am

NEXT!

H3: ODST: Complete a Halo 3: ODST playlist.
Unlocked Mar 30, 2021 @ 9:51pm

Nagato Makes Moving Easy

H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.
Unlocked Mar 30, 2021 @ 9:51pm

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?
Unlocked Mar 20, 2021 @ 10:58pm

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Unlocked Mar 21, 2021 @ 12:09am

Pineapple Express

H3: ODST: Kill 4 enemies with a single plasma or frag grenade.
Unlocked Jan 21 @ 1:59am

One Way Ride

H3: ODST: Complete any level without using a health pack on Heroic or Legendary.
Unlocked Mar 20, 2021 @ 11:15pm

Just Sayin...I Ain't Dead

H3: ODST: Complete any level without dying on Heroic or Legendary.
Unlocked Mar 22, 2021 @ 11:52pm

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.
Unlocked Mar 20, 2021 @ 11:41pm

Those Left Behind

H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.
Unlocked Mar 20, 2021 @ 11:15pm

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.
Unlocked Mar 20, 2021 @ 11:05pm

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.
Unlocked Mar 20, 2021 @ 11:01pm

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.
Unlocked Dec 3, 2019 @ 1:12pm

No Picnic

Halo: Reach: Observe a grizzly scene on New Alexandria.
Unlocked Jun 20, 2021 @ 10:17am

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.
Unlocked Aug 21, 2020 @ 1:48pm

I Need A Weapon

Halo: Reach: Complete Nightfall.
Unlocked Aug 22, 2020 @ 3:35pm

To War

Halo: Reach: Complete Tip of the Spear.
Unlocked Mar 17, 2021 @ 10:23pm

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.
Unlocked Mar 27, 2021 @ 12:44pm

Into The Howling Dark

Halo: Reach: Complete Exodus.
Unlocked Jun 20, 2021 @ 11:30am

Dust And Echoes

Halo: Reach: Complete New Alexandria.
Unlocked Aug 4, 2021 @ 11:22am

This Is Not Your Grave

Halo: Reach: Complete The Package.
Unlocked Aug 11, 2021 @ 3:01pm

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.
Unlocked Aug 11, 2021 @ 3:42pm

Welcome to Reach

Halo: Reach: Complete every level of the game on Easy difficulty.
Unlocked Aug 11, 2021 @ 3:42pm

The Soldier We Need You To Be

Halo: Reach: Complete every level of the game on Normal difficulty.
Unlocked Aug 11, 2021 @ 3:42pm

Folks Need Heroes…

Halo: Reach: Complete every level of the game on Heroic difficulty.
Unlocked Aug 11, 2021 @ 3:42pm

Gods Must Be Strong

Halo: Reach: Complete every level of the game on Legendary difficulty.
Unlocked Aug 11, 2021 @ 3:42pm

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.
Unlocked Oct 21, 2023 @ 9:52am

Nine Lives Are a Myth

Halo: Reach: Beat the par score on New Alexandria.
Unlocked Oct 21, 2023 @ 9:52am

How Did I Lose All My Fingers?

Halo: Reach: Beat the par score on The Package.
Unlocked Aug 11, 2021 @ 3:01pm

Precious Cargo

Halo: Reach: Beat the par score on The Pillar of Autumn.
Unlocked Aug 11, 2021 @ 3:42pm

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.
Unlocked Mar 17, 2021 @ 9:20pm

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace
Unlocked Mar 27, 2021 @ 12:07pm

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Unlocked Mar 17, 2021 @ 9:31pm

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.
Unlocked Aug 4, 2021 @ 11:22am

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.
Unlocked Aug 11, 2021 @ 2:37pm

Front Page News

Halo: Reach: Find me in the club.
Unlocked Aug 4, 2021 @ 11:22am

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.
Unlocked Mar 30, 2021 @ 7:45pm

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package
Unlocked Aug 11, 2021 @ 2:42pm

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn
Unlocked Aug 11, 2021 @ 3:23pm

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty
Unlocked Aug 11, 2021 @ 3:45pm

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.
Unlocked Aug 11, 2021 @ 3:48pm

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.
Unlocked Sep 14, 2022 @ 11:55am

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.
Unlocked Sep 9, 2023 @ 9:51pm

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.
Unlocked Dec 3, 2019 @ 12:15pm

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.
Unlocked Dec 15, 2019 @ 3:21pm

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.
Unlocked Mar 17, 2021 @ 9:25pm

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.
Unlocked Dec 15, 2019 @ 3:21pm

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.
Unlocked Aug 4, 2021 @ 10:34am



Life Story

Complete the Master Chief Saga playlist.

Checkmate

Kill 100 Watchers.

I Was Wondering What Would Break First

Kill 100 Knights.

Pest Control

Kill 100 Crawlers.

Mystery Achievement

Inscrutable. Mysterious.

Forged in Fire

Win 100 multiplayer games.

Sample Plate

Complete three cross-game playlists.

I Dabble in Slaying

Complete one cross-game playlist.

Veteran

Complete all campaigns on Normal difficulty.

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.

Lightning in a Bottle

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

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.

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

You Really Can't Handle the Truth

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

Vetro Strike

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

Circuit Breaker

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

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.

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.

Skulltaker Halo: CE: Mythic

Halo CE: Find and claim the Mythic skull in remastered mode.

Skulltaker Halo: CE: Boom

Halo CE: Find and claim the Boom skull in remastered mode.

Skulltaker Halo: CE: Bandana

Halo CE: Find and claim the Bandanna skull in remastered mode.

Skulltaker Halo: CE: Fog

Halo CE: Find and claim the Fog skull in remastered mode.

Skulltaker Halo: CE: Malfunction

Halo CE: Find and claim the Malfunction skull in remastered mode.

Skulltaker Halo: CE: Recession

Halo CE: Find and claim the Recession skull in remastered mode.

Skulltaker Halo: CE: Black Eye

Halo CE: Find and claim the Black Eye skull in remastered mode.

Skulltaker Halo: CE: Pinata

Halo CE: Find and claim the Pinata skull in remastered mode.

Headhunter

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

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

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.

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

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.

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.

T-Rex

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

Megg

Halo CE: It's a sign.

Get Me Out of Here!

Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Goat Roped

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

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

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.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

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.

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

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.

Arcade Owner

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

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

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: 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: 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.

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.

Siege of Ivory Tower

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

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.

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.

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.

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.

Blown Out of the Sky

Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.

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.

Waypoint

Halo 3: Beat the par time on The Ark.

Speed Demon

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

Orpheus

Halo 3: Beat the par score on Cortana.

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.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull on Normal or harder.

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull on Normal or harder.

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull on Normal or harder.

With Your Shield or On It

Halo 3: Complete every level of the game on Heroic difficulty.

Finished the Fight

Halo 3: Complete every level of the game on Legendary difficulty.

Who Needs Them?

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

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Annual

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

Primate

Halo 3: Find your first missing links.

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.

Infinity

Halo 4: Complete Infinity.

Reclaimer

Halo 4: Complete Reclaimer.

Shutdown

Halo 4: Complete Shutdown.

Composer

Halo 4: Complete Composer.

Midnight

Halo 4: Complete Midnight.

Piece of Cake

Halo 4: Beat the par time on Dawn.

Interloper

Halo 4: Beat the par time on Requiem.

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

Ouroboros

Halo 4: Beat the par time on Infinity.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Symphony of Pain

Halo 4: Beat the par time on Composer.

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.

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Head Banging

Halo 4: Beat the par score on Composer.

Witching Hour

Halo 4: Beat the par score on Midnight.

You Had it Coming

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

War

Halo 4: Activate Terminal 1 on Requiem.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Justice

Halo 4: Activate Terminal 6 on Composer.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.

I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.

The Legend of 117

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

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.

Explore the Floor

Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.

Give Him the Stick

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

Chief, Smash!

Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.

You're No Chips

Halo 4: What do Marines know about sticks?

A Long Time Ago

Halo 4: Play a game of Halo 4 on the 6th of any month.

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.

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.

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.

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.

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.

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.

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.

Digging up the Past

Halo 4: Access the Master Chief's records on Dawn.

Missing Link

Halo 3: Watching. Waiting. Plotting.

Eminent Domain

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

Game Master

Created and saved 5 Custom Game types.

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.

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.

Chest of Gold

Halo 4: Complete a Halo 4 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.

Multiplayer Champion

Win 500 multiplayer games.

The Long Haul

Complete 500 missions or multiplayer games.

Wyrmslayer

Kill 250 Hunters.

Remove the Bishops From the Board

Kill 1000 Watchers.

Knightbane

Kill 1000 Knights.

Dogcatcher

Kill 1000 Crawlers.

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Departure

Halo 4: Complete all chapters in Spartan Ops Episode 1.

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.

Knight in White Assassination

Halo 4: Assassinate a Knight in any Spartan Ops mission.

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.

Aim for the Head

Earn a total of 2,500 Headshot 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.

Taste Test

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

Naughty Naughty

Kill 10 Engineers.

Well...Maybe One or Two

Kill 25 Engineers.

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.

A Pleasant Trip

H3: ODST: Beat the par time on ONI Alpha Site.

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.

Overtaken By Events

H3: ODST: Beat the par time on Data Hive.

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.

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.

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.

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.

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..

A Monument To All Your Sins

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

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.

Just Like Storming a Castle

Halo: Reach: Beat the par time on ONI: Sword Base.

Now Just You Gúta Minute

Halo: Reach: Beat the par time on Nightfall.

Generous Tipper

Halo: Reach: Beat the par time on Tip of the Spear.

Sabre Metrics

Halo: Reach: Beat the par time on Long Night of Solace.

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

One For the Record Books

Halo: Reach: Beat the par time on New Alexandria.

Speedy Delivery

Halo: Reach: Beat the par time on The Package.

Wait, How'd the Ship Get Down Here?

Halo: Reach: Beat the par time on The Pillar of Autumn.

Fast Fall

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

Ice In Your Veins

Halo: Reach: Beat the par score on Winter Contingency.

Still Sharp

Halo: Reach: Beat the par score on ONI: Sword Base.

Bake That Cake

Halo: Reach: Beat the par score on Tip of the Spear.

Insomnia

Halo: Reach: Beat the par score on Long Night of Solace.

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

We'll Be Back

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

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.

Two Corpses In One Grave

Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.

Swift and Shallow

Halo: Reach: Hijack a Banshee during the Reach Campaign.

Forza in the Fall

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

HBOrg Special

Halo: Reach: Party with the DJ Brute.

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.

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

Fly, You Fools!

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

This is Not the Greatest Lab in the World…

Halo: Reach: Find your way into Halsey's Lab on The Package.

Hey, You Dropped This

Halo: Reach: Find Data Pad on 1 Winter Contingency

Read Halsey's Journal

Halo: Reach: Find Data Pad 2 on ONI: Sword Base

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall

Rampant Speculation

Halo: Reach: Find Data Pad 4 on Tip Of The Spear

Minority Report

Halo: Reach: Find Data Pad 5 on Long Night Of Solace

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria

Unreliable Narrator

Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty

What Does It All Mean?

Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty

Unsolved Mysteries

Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty

Meddling and Madness

Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty

The Answer is Simple

Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty

Of Patience and Partiality

Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty

Curious Composition

Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty

Silent Shepherds

Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty

Assembled the Majority

Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Why Do This To Yourself?

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

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

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.

Skunked

Halo: Reach: Won a matchmade game of Invasion in the 1st phase.

Clear and Present Danger

Halo: Reach: Pad on the run.

Left Behind

Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.

One Final Firefight

Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.

What About Bob?

Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Capacious Cartography

Halo: Reach: Create a custom map using Forge World.

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.

Run and Gunned

Halo: Reach: Headshot 10 enemies while they are sprinting.

Game Breaker

Halo: Reach: Kill 10 enemies while using a Jetpack.

Because It Wasn't Hard Enough

Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).

Classic Completion

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

Collection Eligibility Confirmed

Halo: Reach: See, he IS in the game!