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312 of 700 (45%) achievements earned:
Personal Achievements
 

Just Getting Started

Kill 100 enemies or players.
Unlocked Dec 5, 2019 @ 10:49pm

Balaho's Most Wanted

Kill 100 Grunts.
Unlocked Dec 5, 2019 @ 10:49pm

The One Percent

Kill 100 Elites.
Unlocked Feb 8, 2020 @ 11:43pm

Spoilsport

Kill 100 Jackals.
Unlocked Feb 8, 2020 @ 11:29pm

Going Bananas

Kill 100 Brutes.
Unlocked Jun 7, 2020 @ 6:58am

Hunters Hunted

Kill 50 Hunters.
Unlocked Jun 7, 2020 @ 5:32am

I Was Wondering What Would Break First

Kill 100 Knights.
Unlocked Aug 13, 2021 @ 6:57pm

Pest Control

Kill 100 Crawlers.
Unlocked Aug 13, 2021 @ 3:59pm

Thanks A Killion

Kill 20,000 enemies or players.
Unlocked Jul 24, 2020 @ 1:12am

Medal Completionist

Collect 10,000 campaign or playlist medals.
Unlocked Jul 19, 2020 @ 3:23am

The Guardians Are Coming

Get killed by the Guardians.
Unlocked Jul 14, 2020 @ 3:05pm

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.
Unlocked Feb 18, 2020 @ 10:23pm

Mystery Achievement

Inscrutable. Mysterious.
Unlocked Jul 26, 2020 @ 4:54pm

Where Am I?

Complete 10 missions or multiplayer games.
Unlocked Feb 9, 2020 @ 12:37am

I Got This

Complete 100 missions or multiplayer games.
Unlocked Jul 16, 2020 @ 4:55pm

Tempered Blade

Win 10 multiplayer games.
Unlocked Jul 21, 2020 @ 3:09am

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.
Unlocked Dec 4, 2019 @ 11:40pm

Your Journey Begins

Complete a campaign mission or a match of multiplayer.
Unlocked Dec 4, 2019 @ 11:17pm

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.
Unlocked Mar 13, 2020 @ 5:04am

Halo

Halo CE: Complete Halo.
Unlocked Mar 13, 2020 @ 6:12am

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.
Unlocked Mar 13, 2020 @ 2:55am

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.
Unlocked Mar 13, 2020 @ 3:29am

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.
Unlocked Mar 13, 2020 @ 4:24am

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.
Unlocked Mar 13, 2020 @ 4:33pm

The Library

Halo CE: Complete The Library.
Unlocked Mar 13, 2020 @ 5:17pm

Two Betrayals

Halo CE: Complete Two Betrayals.
Unlocked Mar 13, 2020 @ 7:26pm

Keyes

Halo CE: Complete Keyes.
Unlocked Mar 13, 2020 @ 10:16pm

The Maw

Halo CE: Complete The Maw.
Unlocked Mar 13, 2020 @ 10:59pm

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.
Unlocked Jun 30, 2022 @ 8:50pm

Flyover Country

Halo CE: Beat the par time on Halo.
Unlocked Jun 30, 2022 @ 9:10pm

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.
Unlocked Jun 30, 2022 @ 9:30pm

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.
Unlocked Jul 2, 2022 @ 11:56am

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.
Unlocked Jul 2, 2022 @ 1:32pm

Lightning in a Bottle

Halo CE: Beat the par time on 343 Guilty Spark.
Unlocked Jun 30, 2022 @ 10:22pm

TLDR

Halo CE: Beat the par time on The Library.
Unlocked Jun 30, 2022 @ 10:46pm

Scurty Bump

Halo CE: Beat the par time on Keyes.
Unlocked Jun 30, 2022 @ 11:22pm

All You Can Eat

Halo CE: Beat the par time on The Maw.
Unlocked Jun 30, 2022 @ 11:40pm

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.
Unlocked Apr 14, 2023 @ 11:04pm

Giant Hula Hoop

Halo CE: Beat the par score on Halo.
Unlocked Apr 14, 2023 @ 11:04pm

Charted

Halo CE: Beat the par score on The Silent Cartographer.
Unlocked Jul 2, 2022 @ 3:54pm

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Unlocked Mar 14, 2020 @ 9:14pm

Sacrifice

Halo CE: Activate Terminal 2 on Halo.
Unlocked Mar 14, 2020 @ 10:07pm

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Unlocked Jul 15, 2020 @ 9:54pm

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.
Unlocked Jul 15, 2020 @ 10:19pm

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.
Unlocked Jul 15, 2020 @ 10:59pm

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Unlocked Jul 15, 2020 @ 11:24pm

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.
Unlocked Jul 15, 2020 @ 11:49pm

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.
Unlocked Jul 16, 2020 @ 12:03am

Mind Games

Halo CE: Activate Terminal 9 on Keyes.
Unlocked Mar 13, 2020 @ 10:06pm

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.
Unlocked Jul 16, 2020 @ 12:12am

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.
Unlocked Jul 16, 2020 @ 12:12am

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Unlocked Jul 30, 2020 @ 6:05pm

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Unlocked Jul 30, 2020 @ 6:05pm

A Fine Choice

Halo CE: Complete a Halo: CE playlist.
Unlocked Jul 17, 2020 @ 7:23pm

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.
Unlocked Mar 13, 2020 @ 4:44am

Madrigal Debut

Halo CE: Trigger a hidden music cue in Halo: CE.
Unlocked Jul 31, 2020 @ 3:05pm

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Unlocked Mar 13, 2020 @ 3:33am

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
Unlocked Jul 31, 2020 @ 3:26pm

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Unlocked Mar 13, 2020 @ 10:59pm

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.
Unlocked Feb 8, 2020 @ 7:13pm

Brovershield

Complete any co-op level on Heroic difficulty.
Unlocked Jul 25, 2020 @ 10:11pm

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.
Unlocked Jul 17, 2020 @ 7:23pm

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.
Unlocked Mar 14, 2020 @ 9:06pm

Cairo Station

Halo 2: Complete Cairo Station.
Unlocked Jun 7, 2020 @ 2:56am

Outskirts

Halo 2: Complete Outskirts.
Unlocked Jun 7, 2020 @ 3:24am

Metropolis

Halo 2: Complete Metropolis.
Unlocked Jun 7, 2020 @ 3:54am

The Arbiter

Halo 2: Complete The Arbiter.
Unlocked Jun 7, 2020 @ 4:23am

Oracle

Halo 2: Complete The Oracle.
Unlocked Jun 7, 2020 @ 4:58am

Delta Halo

Halo 2: Complete Delta Halo.
Unlocked Jun 7, 2020 @ 5:26am

Regret

Halo 2: Complete Regret.
Unlocked Jun 7, 2020 @ 5:54am

Sacred Icon

Halo 2: Complete Sacred Icon.
Unlocked Jun 7, 2020 @ 6:23am

Quarantine Zone

Halo 2: Complete Quarantine Zone.
Unlocked Jun 7, 2020 @ 6:48am

Gravemind

Halo 2: Complete Gravemind.
Unlocked Jun 7, 2020 @ 7:33am

Uprising

Halo 2: Complete Uprising.
Unlocked Jun 7, 2020 @ 7:53am

High Charity

Halo 2: Complete High Charity.
Unlocked Jun 7, 2020 @ 8:06am

The Great Journey

Halo 2: Complete The Great Journey.
Unlocked Jun 7, 2020 @ 8:32am

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.
Unlocked Jun 7, 2020 @ 2:56am

Feeling Charitable

Halo 2: Beat the par time on High Charity.
Unlocked Jun 7, 2020 @ 8:06am

Curious

Halo 2: Activate Terminal 1 on Cairo Station.
Unlocked Jul 26, 2020 @ 9:58pm

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.
Unlocked Jun 7, 2020 @ 3:16am

Examiner

Halo 2: Activate Terminal 3 on Metropolis.
Unlocked Jun 7, 2020 @ 3:45am

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.
Unlocked Jun 7, 2020 @ 4:08am

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.
Unlocked Jun 7, 2020 @ 4:34am

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.
Unlocked Jun 7, 2020 @ 5:10am

Enamored

Halo 2: Activate Terminal 7 on Regret.
Unlocked Jul 26, 2020 @ 10:16pm

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.
Unlocked Jul 26, 2020 @ 10:35pm

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.
Unlocked Jul 26, 2020 @ 10:44pm

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.
Unlocked Jul 26, 2020 @ 11:06pm

Scholar

Halo 2: Activate Terminal 11 on Uprising.
Unlocked Jun 7, 2020 @ 7:46am

Reviewer

Halo 2: Activate Terminal 12 on High Charity.
Unlocked Jul 26, 2020 @ 11:22pm

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.
Unlocked Jun 7, 2020 @ 8:14am

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.
Unlocked Jul 26, 2020 @ 11:22pm

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.
Unlocked Jul 26, 2020 @ 10:43pm

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Unlocked Jun 7, 2020 @ 2:59am

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.
Unlocked Jun 7, 2020 @ 5:48am

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.
Unlocked Jun 7, 2020 @ 6:53am

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Unlocked Jul 25, 2020 @ 11:36pm

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
Unlocked Jul 26, 2020 @ 1:52am

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
Unlocked Jul 25, 2020 @ 10:37pm

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
Unlocked Jul 25, 2020 @ 10:30pm

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Unlocked Jul 25, 2020 @ 10:39pm

Landfall

Halo 3: Complete Sierra 117.
Unlocked Jul 20, 2020 @ 1:07am

Holdout

Halo 3: Complete Crow's Nest.
Unlocked Jul 20, 2020 @ 1:45am

The Road

Halo 3: Complete Tsavo Highway.
Unlocked Jul 20, 2020 @ 2:03am

Assault

Halo 3: Complete The Storm.
Unlocked Jul 21, 2020 @ 11:42pm

Cleansing

Halo 3: Complete Floodgate.
Unlocked Jul 22, 2020 @ 12:02am

Refuge

Halo 3: Complete The Ark.
Unlocked Jul 22, 2020 @ 1:03am

Last Stand

Halo 3: Complete The Covenant.
Unlocked Jul 22, 2020 @ 1:52am

The Key

Halo 3: Complete Cortana.
Unlocked Jul 22, 2020 @ 2:23am

Return

Halo 3: Complete Halo.
Unlocked Jul 23, 2020 @ 12:01am

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.
Unlocked Jul 20, 2020 @ 2:03am

Dambuster

Halo 3: Beat the par time on Floodgate.
Unlocked Jul 22, 2020 @ 12:02am

Vanguard

Halo 3: Beat the par score on The Covenant.
Unlocked Jul 22, 2020 @ 1:52am

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.
Unlocked Jul 24, 2020 @ 1:19am

Inundation

Halo 3: Activate Terminal 2 on The Ark.
Unlocked Jul 30, 2020 @ 10:29pm

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.
Unlocked Jul 24, 2020 @ 1:43am

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.
Unlocked Jul 30, 2020 @ 10:38pm

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.
Unlocked Jul 30, 2020 @ 10:44pm

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.
Unlocked Jul 30, 2020 @ 10:49pm

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.
Unlocked Jul 24, 2020 @ 1:53am

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.
Unlocked Jul 30, 2020 @ 11:01pm

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull on Normal or harder.
Unlocked Jul 22, 2020 @ 11:36pm

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.
Unlocked Jul 23, 2020 @ 12:01am

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Unlocked Jul 20, 2020 @ 12:48am

Milk Carton

Halo 3: Find the poster of the missing man.
Unlocked Jul 21, 2020 @ 11:37pm

Delicious Brains

Kill 100 Flood.
Unlocked Mar 13, 2020 @ 4:36pm

Zombie Repeller

Kill 1000 Flood.
Unlocked Jun 7, 2020 @ 4:32am

Dawn

Halo 4: Complete Dawn.
Unlocked Aug 13, 2021 @ 2:39pm

Requiem

Halo 4: Complete Requiem.
Unlocked Aug 13, 2021 @ 3:12pm

Forerunner

Halo 4: Complete Forerunner.
Unlocked Aug 13, 2021 @ 3:55pm

Infinity

Halo 4: Complete Infinity.
Unlocked Aug 13, 2021 @ 4:37pm

Reclaimer

Halo 4: Complete Reclaimer.
Unlocked Aug 13, 2021 @ 5:28pm

Shutdown

Halo 4: Complete Shutdown.
Unlocked Aug 13, 2021 @ 6:01pm

Composer

Halo 4: Complete Composer.
Unlocked Aug 13, 2021 @ 6:33pm

Midnight

Halo 4: Complete Midnight.
Unlocked Aug 13, 2021 @ 7:19pm

Jungle Warfare

Halo 4: Beat the par score on Infinity.
Unlocked Aug 13, 2021 @ 4:37pm

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.
Unlocked Aug 13, 2021 @ 6:01pm

Head Banging

Halo 4: Beat the par score on Composer.
Unlocked Aug 13, 2021 @ 6:33pm

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.
Unlocked Aug 13, 2021 @ 3:22pm

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.
Unlocked Aug 13, 2021 @ 4:04pm

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.
Unlocked Aug 13, 2021 @ 7:19pm

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.
Unlocked Jun 7, 2020 @ 8:32am

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
Unlocked Jul 15, 2020 @ 10:07pm

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
Unlocked Jul 2, 2022 @ 3:54pm

Bro Hammer

Complete any co-op level on Legendary difficulty.
Unlocked Jul 25, 2020 @ 10:11pm

Put Up Your Dukes

Halo 2A MP: Get 25 melee kills in multiplayer.
Unlocked Jul 26, 2020 @ 6:13pm

Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.
Unlocked Jul 25, 2020 @ 10:44pm

Dirty Bird

Halo 2: Fly the Heretic Banshee.
Unlocked Jun 7, 2020 @ 4:15am

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.
Unlocked Jul 24, 2020 @ 2:19am

A Pile of Medals

Collect 2,000 campaign or playlist medals.
Unlocked Mar 13, 2020 @ 4:57pm

A Crate of Medals

Collect 3,000 campaign or playlist medals.
Unlocked Mar 14, 2020 @ 10:21pm

A Heap of Medals

Collect 4,000 campaign or playlist medals.
Unlocked Jun 7, 2020 @ 4:11am

A Few Trinkets

Collect 5,000 campaign or playlist medals.
Unlocked Jun 7, 2020 @ 8:03am

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.
Unlocked Jul 15, 2020 @ 10:26pm

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.
Unlocked Jul 16, 2020 @ 4:47pm

Medal Master Chief

Collect 8,000 campaign or playlist medals.
Unlocked Jul 17, 2020 @ 3:31pm

Game On

Complete 50 missions or multiplayer games.
Unlocked Mar 14, 2020 @ 2:24am

Bonus Level

Complete 200 missions or multiplayer games.
Unlocked Jul 25, 2020 @ 3:20pm

Can't Put It Down

Complete 150 missions or multiplayer games.
Unlocked Jul 19, 2020 @ 3:26pm

Up All Night

Complete 250 missions or multiplayer games.
Unlocked Aug 4, 2020 @ 1:06am

Can't Get Enough

Complete 300 missions or multiplayer games.
Unlocked Sep 23, 2020 @ 10:57pm

Committed

Complete 350 missions or multiplayer games.
Unlocked Aug 19, 2021 @ 6:53pm

Big Time Gamer

Complete 400 missions or multiplayer games.
Unlocked Aug 19, 2021 @ 7:21pm

Long Time Fan

Complete 450 missions or multiplayer games.
Unlocked Aug 19, 2021 @ 7:25pm

The Long Haul

Complete 500 missions or multiplayer games.
Unlocked Aug 19, 2021 @ 7:50pm

Just A Taste

Collect 500 campaign or playlist medals.
Unlocked Feb 9, 2020 @ 12:01pm

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.
Unlocked Mar 13, 2020 @ 2:58am

Foe Hammer

Kill 5,000 enemies or players.
Unlocked Mar 16, 2020 @ 12:49am

Gruntageddon

Kill 1000 Grunts.
Unlocked Mar 13, 2020 @ 4:00am

Were It So Easy

Kill 1000 Elites.
Unlocked Jun 7, 2020 @ 5:15am

Scavenger Hunt

Kill 1000 Jackals.
Unlocked Jul 15, 2020 @ 8:45pm

Dankey Kang

Kill 1000 Brutes.
Unlocked Jul 22, 2020 @ 1:35am

Wyrmslayer

Kill 250 Hunters.
Unlocked Aug 13, 2021 @ 11:04pm

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.
Unlocked Mar 13, 2020 @ 10:59pm

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.
Unlocked Jul 14, 2020 @ 3:05pm

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.
Unlocked Jul 23, 2020 @ 12:01am

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.
Unlocked Aug 13, 2021 @ 7:19pm

Herald of the Reclamation

Complete all campaigns on Easy difficulty.
Unlocked Aug 13, 2021 @ 7:19pm

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.
Unlocked Jul 30, 2020 @ 11:01pm

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.
Unlocked Jul 25, 2020 @ 10:48pm

Operation Completion

Halo 4: Complete a Spartan Ops mission.
Unlocked Jun 30, 2022 @ 8:36pm

Departure

Halo 4: Complete all chapters in Spartan Ops Episode 1.
Unlocked Jun 30, 2022 @ 8:36pm

No One Left Behind

Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.
Unlocked Jun 30, 2022 @ 8:36pm

Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.
Unlocked Mar 15, 2020 @ 12:29am

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.
Unlocked Jul 30, 2020 @ 2:29am

Naughty Naughty

Kill 10 Engineers.
Unlocked Jul 17, 2020 @ 8:58pm

Well...Maybe One or Two

Kill 25 Engineers.
Unlocked Jul 20, 2020 @ 12:03am

Listener

H3: ODST: Find the 1st Audio Log.
Unlocked Sep 23, 2020 @ 8:38pm

An Ear Full

H3: ODST: Find the 2nd Audio Log.
Unlocked Sep 23, 2020 @ 8:44pm

Tuned In

H3: ODST: Find the 3rd Audio Log.
Unlocked Sep 23, 2020 @ 9:05pm

Do Tell

H3: ODST: Find the 4th Audio Log.
Unlocked Sep 23, 2020 @ 9:32pm

Hear Me Out

H3: ODST: Find the 5th Audio Log.
Unlocked Sep 23, 2020 @ 9:35pm

Eavesdropping

H3: ODST: Find the 6th Audio Log.
Unlocked Sep 23, 2020 @ 10:09pm

Auditor

H3: ODST: Find the 7th Audio Log.
Unlocked Sep 23, 2020 @ 10:13pm

Overheard

H3: ODST: Find the 8th Audio Log.
Unlocked Sep 23, 2020 @ 10:14pm

Wiretapping

H3: ODST: Find the 9th Audio Log.
Unlocked Sep 23, 2020 @ 10:19pm

Rookie

H3: ODST: Complete every level of the game on Easy difficulty.
Unlocked Sep 23, 2020 @ 11:53pm

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.
Unlocked Sep 23, 2020 @ 8:17pm

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.
Unlocked Sep 23, 2020 @ 8:47pm

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.
Unlocked Sep 23, 2020 @ 10:21pm

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.
Unlocked Sep 23, 2020 @ 10:41pm

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.
Unlocked Sep 23, 2020 @ 9:11pm

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.
Unlocked Sep 23, 2020 @ 9:37pm

Tayari Plaza

H3: ODST: Complete Tayari Plaza.
Unlocked Sep 23, 2020 @ 8:34pm

Uplift Reserve

H3: ODST: Complete Uplift Reserve.
Unlocked Sep 23, 2020 @ 9:02pm

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.
Unlocked Sep 23, 2020 @ 10:36pm

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.
Unlocked Sep 23, 2020 @ 10:57pm

NMPD HQ

H3: ODST: Complete NMPD HQ.
Unlocked Sep 23, 2020 @ 9:27pm

Kikowani Station

H3: ODST: Complete Kikowani Station.
Unlocked Sep 23, 2020 @ 10:01pm

Data Hive

H3: ODST: Complete Data Hive.
Unlocked Sep 23, 2020 @ 11:00pm

Coastal Highway

H3: ODST: Complete Coastal Highway.
Unlocked Sep 23, 2020 @ 11:53pm

Overtaken By Events

H3: ODST: Beat the par time on Data Hive.
Unlocked Sep 23, 2020 @ 11:00pm

Double Time!

H3: ODST: Beat the par time on Coastal Highway.
Unlocked Sep 23, 2020 @ 11:53pm

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Unlocked Sep 23, 2020 @ 8:15pm

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.
Unlocked Sep 23, 2020 @ 10:36pm

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.
Unlocked Sep 23, 2020 @ 8:22pm

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.
Unlocked Sep 23, 2020 @ 8:17pm

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.
Unlocked Feb 9, 2020 @ 12:16pm

No Picnic

Halo: Reach: Observe a grizzly scene on New Alexandria.
Unlocked Jul 25, 2020 @ 9:33pm

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.
Unlocked Feb 8, 2020 @ 7:13pm

I Need A Weapon

Halo: Reach: Complete Nightfall.
Unlocked Feb 8, 2020 @ 7:34pm

To War

Halo: Reach: Complete Tip of the Spear.
Unlocked Feb 8, 2020 @ 7:55pm

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.
Unlocked Feb 8, 2020 @ 8:25pm

Into The Howling Dark

Halo: Reach: Complete Exodus.
Unlocked Feb 8, 2020 @ 9:03pm

Dust And Echoes

Halo: Reach: Complete New Alexandria.
Unlocked Feb 8, 2020 @ 9:39pm

This Is Not Your Grave

Halo: Reach: Complete The Package.
Unlocked Feb 8, 2020 @ 11:43pm

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.
Unlocked Feb 9, 2020 @ 12:35am

Welcome to Reach

Halo: Reach: Complete every level of the game on Easy difficulty.
Unlocked Feb 9, 2020 @ 12:16pm

The Soldier We Need You To Be

Halo: Reach: Complete every level of the game on Normal difficulty.
Unlocked Feb 9, 2020 @ 12:16pm

Folks Need Heroes…

Halo: Reach: Complete every level of the game on Heroic difficulty.
Unlocked Jul 21, 2020 @ 2:16am

Gods Must Be Strong

Halo: Reach: Complete every level of the game on Legendary difficulty.
Unlocked Jul 21, 2020 @ 2:16am

A Monument To All Your Sins

Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.
Unlocked Jul 21, 2020 @ 2:16am

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.
Unlocked Jul 23, 2020 @ 12:28am

Just Like Storming a Castle

Halo: Reach: Beat the par time on ONI: Sword Base.
Unlocked Jul 30, 2020 @ 2:58pm

Now Just You Gúta Minute

Halo: Reach: Beat the par time on Nightfall.
Unlocked Jul 30, 2020 @ 3:06pm

Generous Tipper

Halo: Reach: Beat the par time on Tip of the Spear.
Unlocked Jul 23, 2020 @ 1:07am

Sabre Metrics

Halo: Reach: Beat the par time on Long Night of Solace.
Unlocked Feb 8, 2020 @ 8:25pm

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.
Unlocked Jul 18, 2020 @ 6:04pm

One For the Record Books

Halo: Reach: Beat the par time on New Alexandria.
Unlocked Jul 30, 2020 @ 3:21pm

Speedy Delivery

Halo: Reach: Beat the par time on The Package.
Unlocked Jul 30, 2020 @ 3:39pm

Wait, How'd the Ship Get Down Here?

Halo: Reach: Beat the par time on The Pillar of Autumn.
Unlocked Jul 30, 2020 @ 3:53pm

Fast Fall

Halo: Reach: Beat par time on all Halo: Reach levels.
Unlocked Jul 30, 2020 @ 3:53pm

Ice In Your Veins

Halo: Reach: Beat the par score on Winter Contingency.
Unlocked Jul 15, 2020 @ 8:09pm

Still Sharp

Halo: Reach: Beat the par score on ONI: Sword Base.
Unlocked Jul 17, 2020 @ 12:18am

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.
Unlocked Jul 16, 2020 @ 2:50pm

Bake That Cake

Halo: Reach: Beat the par score on Tip of the Spear.
Unlocked Aug 16, 2021 @ 8:06pm

Insomnia

Halo: Reach: Beat the par score on Long Night of Solace.
Unlocked Feb 8, 2020 @ 8:25pm

Parting the Sea

Halo: Reach: Beat the par score on Exodus.
Unlocked Aug 18, 2021 @ 10:50pm

Nine Lives Are a Myth

Halo: Reach: Beat the par score on New Alexandria.
Unlocked Jul 17, 2020 @ 7:46pm

How Did I Lose All My Fingers?

Halo: Reach: Beat the par score on The Package.
Unlocked Aug 19, 2021 @ 6:12pm

Precious Cargo

Halo: Reach: Beat the par score on The Pillar of Autumn.
Unlocked Jul 21, 2020 @ 2:16am

We'll Be Back

Halo: Reach: Beat the par score on every Halo: Reach level.
Unlocked Aug 19, 2021 @ 6:12pm

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.
Unlocked Mar 16, 2020 @ 1:06am

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.
Unlocked Aug 16, 2021 @ 7:33pm

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.
Unlocked Feb 9, 2020 @ 11:55am

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.
Unlocked Jul 21, 2020 @ 2:55am

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace
Unlocked Jul 17, 2020 @ 2:53am

Two Corpses In One Grave

Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.
Unlocked Jul 16, 2020 @ 4:41pm

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Unlocked Feb 8, 2020 @ 7:43pm

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.
Unlocked Feb 8, 2020 @ 9:18pm

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.
Unlocked Jul 19, 2020 @ 8:51pm

Swift and Shallow

Halo: Reach: Hijack a Banshee during the Reach Campaign.
Unlocked Jul 19, 2020 @ 9:13pm

Forza in the Fall

Halo: Reach: Flip the switches to become a Reach Racer!
Unlocked Jul 25, 2020 @ 8:15pm

HBOrg Special

Halo: Reach: Party with the DJ Brute.
Unlocked Jul 23, 2020 @ 3:04am

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.
Unlocked Jul 23, 2020 @ 3:07am

We're Gonna Need a Bigger Ship

Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.
Unlocked Jul 25, 2020 @ 9:28pm

Front Page News

Halo: Reach: Find me in the club.
Unlocked Feb 8, 2020 @ 9:19pm

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.
Unlocked Feb 8, 2020 @ 8:44pm

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.
Unlocked Jul 25, 2020 @ 7:11pm

Fly, You Fools!

Halo: Reach: Find the hidden Banshees on The Package.
Unlocked Jul 25, 2020 @ 8:25pm

This is Not the Greatest Lab in the World…

Halo: Reach: Find your way into Halsey's Lab on The Package.
Unlocked Jul 25, 2020 @ 6:41pm

Hey, You Dropped This

Halo: Reach: Find Data Pad on 1 Winter Contingency
Unlocked Jul 15, 2020 @ 8:16pm

Read Halsey's Journal

Halo: Reach: Find Data Pad 2 on ONI: Sword Base
Unlocked Jul 15, 2020 @ 9:07pm

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall
Unlocked Jul 16, 2020 @ 1:55pm

Rampant Speculation

Halo: Reach: Find Data Pad 4 on Tip Of The Spear
Unlocked Jul 16, 2020 @ 4:02pm

Minority Report

Halo: Reach: Find Data Pad 5 on Long Night Of Solace
Unlocked Jul 17, 2020 @ 2:15am

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus
Unlocked Jul 19, 2020 @ 3:20am

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria
Unlocked Jul 19, 2020 @ 3:39am

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package
Unlocked Feb 8, 2020 @ 11:25pm

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn
Unlocked Jul 20, 2020 @ 2:41am

Unreliable Narrator

Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty
Unlocked Jul 15, 2020 @ 7:06pm

What Does It All Mean?

Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty
Unlocked Jul 15, 2020 @ 8:47pm

Unsolved Mysteries

Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty
Unlocked Jul 16, 2020 @ 2:23pm

Meddling and Madness

Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty
Unlocked Jul 16, 2020 @ 4:05pm

The Answer is Simple

Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty
Unlocked Jul 17, 2020 @ 2:18am

Of Patience and Partiality

Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty
Unlocked Jul 19, 2020 @ 3:27am

Curious Composition

Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty
Unlocked Jul 19, 2020 @ 3:43am

Silent Shepherds

Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty
Unlocked Jul 20, 2020 @ 2:33am

Assembled the Majority

Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty
Unlocked Jul 20, 2020 @ 2:55am

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty
Unlocked Jul 16, 2020 @ 1:31pm

Canonical Conundrum

Halo: Reach: Find all Data Pads.
Unlocked Jul 20, 2020 @ 2:55am

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.
Unlocked Jul 17, 2020 @ 7:50pm

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.
Unlocked Jul 23, 2020 @ 2:30am

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.
Unlocked Mar 13, 2020 @ 11:03pm

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.
Unlocked Dec 4, 2019 @ 11:55pm

Clear and Present Danger

Halo: Reach: Pad on the run.
Unlocked Jul 15, 2020 @ 7:06pm

Left Behind

Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.
Unlocked Jul 21, 2020 @ 3:26am

One Final Firefight

Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.
Unlocked Jul 25, 2020 @ 4:20pm

What About Bob?

Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.
Unlocked Jul 15, 2020 @ 7:17pm

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.
Unlocked Jul 25, 2020 @ 6:51pm

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.
Unlocked Dec 4, 2019 @ 11:12pm

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.
Unlocked Feb 18, 2020 @ 11:29pm

Capacious Cartography

Halo: Reach: Create a custom map using Forge World.
Unlocked Jul 21, 2020 @ 3:09am

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.
Unlocked Mar 14, 2020 @ 1:44am

Game Breaker

Halo: Reach: Kill 10 enemies while using a Jetpack.
Unlocked Feb 8, 2020 @ 10:19pm

Because It Wasn't Hard Enough

Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).
Unlocked Jul 25, 2020 @ 10:11pm

Classic Completion

Halo: Reach: Complete Exodus without using any armor abilities.
Unlocked Jul 18, 2020 @ 6:04pm

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.
Unlocked Feb 18, 2020 @ 10:25pm

Collection Eligibility Confirmed

Halo: Reach: See, he IS in the game!
Unlocked Feb 9, 2020 @ 12:34am

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.
Unlocked Feb 8, 2020 @ 7:41pm

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.
Unlocked Feb 18, 2020 @ 10:30pm

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.
Unlocked Feb 8, 2020 @ 9:13pm



Life Story

Complete the Master Chief Saga playlist.

Checkmate

Kill 100 Watchers.

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.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Did Somebody Say...

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

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.

Reading Room

Halo CE: Beat the par score on The Library.

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.

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: Foreign

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

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine 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: Eye Patch

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

Skulltaker Halo: CE: Pinata

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

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.

Headhunter

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

Birth of a Spartan

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

Believe in a Hero

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

Living Legend

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

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.

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.

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.

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.

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.

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.

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.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Ripple Fire

Halo 2: Beat the par score on Metropolis.

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

Boundless

Halo 2: Beat the par score on Delta Halo.

Fists of Fury

Halo 2: Beat the par score on Regret.

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.

Frequent Flyer Miles

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

Arcade Owner

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

Skulltaker Halo 2: That's Just…Wrong

Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.

Skulltaker Halo 2: Thunderstorm

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

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

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.

Warrior

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

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.

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.

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.

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 At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.

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.

Guerilla

Halo 3: Beat the par score on Sierra 117.

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

Askar

Halo 3: Beat the par score on The Storm.

Exterminator

Halo 3: Beat the par score on Floodgate.

Ranger

Halo 3: Beat the par score on The Ark.

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.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Skulltaker Halo 3: Iron

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

Skulltaker Halo 3: Black Eye

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

Skulltaker Halo 3: Tough Luck

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

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.

Skulltaker Halo 3: Thunderstorm

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

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt 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.

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.

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.

Dirge of Madrigal

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

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?

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.

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.

Devastating

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

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.

Gunslinger

Halo 4: Beat the par score on Dawn.

Dark Fortress

Halo 4: Beat the par score on Requiem.

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

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.

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.

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.

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.

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.

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.

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.

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

Contender

Win 50 multiplayer games.

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.

Remove the Bishops From the Board

Kill 1000 Watchers.

Knightbane

Kill 1000 Knights.

Dogcatcher

Kill 1000 Crawlers.

King of the Crows

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

Witch Doctor

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

Skulltaker Halo 3: Blind

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

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.

Skulltaker Halo 3: Cowbell

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

Skulltaker Halo 3: IWHBYD

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

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?

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.

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.

Just Browsing

Halo 3: Complete a match on at least 4 different game types in 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.

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.

Urban Warfare Badge

H3: ODST: Complete every level of the game on Normal difficulty.

First In, Last Out

H3: ODST: Complete every level of the game on Heroic difficulty.

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.

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.

Can't Stop Here, This is Brute Country

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

Survey Says...

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

Don't Strain Your Metaphors

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

Son of a Gun

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

I Love My Job

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

Pour It On

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

Squid Jackpot!

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

Magic Touch

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

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.

NEXT!

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

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.

Pineapple Express

H3: ODST: Kill 4 enemies with a single plasma or frag grenade.

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..

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.

Skunked

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

Run and Gunned

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