Halo: The Master Chief Collection achievement guide & roadmap

 

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Single and multi-player

Difficulty DOES affect achievements

No missable achievements (plus 698 unknown)

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Your Journey Begins

Complete a campaign mission or a match of multiplayer.

Just Getting Started

Grind, Unmissable, Anywhere,

Kill 100 enemies or players.

Kill 100 players or enemies in campaign or multiplayer matches.

Balaho's Most Wanted

Grind, Optional, SP-only,

Kill 100 Grunts.

Kill 100 Grunts throughout the campaign.

Where Am I?

Complete 10 missions or multiplayer games.

The Guardians Are Coming

Get killed by the Guardians.

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.

The One Percent

Optional,

Kill 100 Elites.

Spoilsport

Kill 100 Jackals.

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

Just A Taste

Collect 500 campaign or playlist medals.

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.

Halo

Halo CE: Complete Halo.

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.

Delicious Brains

Kill 100 Flood.

Dawn

Halo 4: Complete Dawn.

Cairo Station

Story,

Halo 2: Complete Cairo Station.

Complete the mission Cairo Station on any difficulty.

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

Outskirts

Halo 2: Complete Outskirts.

Going Bananas

Kill 100 Brutes.

Landfall

Halo 3: Complete Sierra 117.

Dirty Bird

Halo 2: Fly the Heretic Banshee.

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Game On

Complete 50 missions or multiplayer games.

Metropolis

Halo 2: Complete Metropolis.

Tempered Blade

Win 10 multiplayer games.

Brovershield

Complete any co-op level on Heroic difficulty.

Gruntageddon

Kill 1000 Grunts.

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

The Arbiter

Halo 2: Complete The Arbiter.

Holdout

Halo 3: Complete Crow's Nest.

Requiem

Halo 4: Complete Requiem.

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

A Pile of Medals

Collect 2,000 campaign or playlist medals.

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.

The Road

Halo 3: Complete Tsavo Highway.

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.

Oracle

Halo 2: Complete The Oracle.

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.

Pest Control

Kill 100 Crawlers.

Assault

Halo 3: Complete The Storm.

Delta Halo

Halo 2: Complete Delta Halo.

Foe Hammer

Kill 5,000 enemies or players.

Zombie Repeller

Kill 1000 Flood.

The Library

Halo CE: Complete The Library.

Cleansing

Halo 3: Complete Floodgate.

Regret

Halo 2: Complete Regret.

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.

Forerunner

Halo 4: Complete Forerunner.

Refuge

Halo 3: Complete The Ark.

Two Betrayals

Halo CE: Complete Two Betrayals.

Sacred Icon

Halo 2: Complete Sacred Icon.

Keyes

Halo CE: Complete Keyes.

The Maw

Halo CE: Complete The Maw.

A Crate of Medals

Collect 3,000 campaign or playlist medals.

Bro Hammer

Complete any co-op level on Legendary difficulty.

Last Stand

Halo 3: Complete The Covenant.

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Infinity

Halo 4: Complete Infinity.

Return

Halo 3: Complete Halo.

Gravemind

Halo 2: Complete Gravemind.

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.

High Charity

Halo 2: Complete High Charity.

The Great Journey

Halo 2: Complete The Great Journey.

Uprising

Halo 2: Complete Uprising.

I Got This

Complete 100 missions or multiplayer games.

The Key

Halo 3: Complete Cortana.

Reclaimer

Halo 4: Complete Reclaimer.

Hunters Hunted

Kill 50 Hunters.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Greenhorn

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

Third Time's A Charm

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

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.

Composer

Halo 4: Complete Composer.

Didn't Like This Ship Anyways

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

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.

Shutdown

Halo 4: Complete Shutdown.

Double Down

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

A Long Time Ago

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

A Heap of Medals

Collect 4,000 campaign or playlist medals.

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.

Midnight

Halo 4: Complete Midnight.

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.

Training Wheels

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

Ripple Fire

Halo 2: Beat the par score on Metropolis.

Going International

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

Birth of a Spartan

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

Back At It

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

Big Green Style

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

Close Quarters Combat

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

Digging up the Past

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

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Demon

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

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

I Was Wondering What Would Break First

Kill 100 Knights.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Were It So Easy

Kill 1000 Elites.

Counter-Sniped

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

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Sounds Familiar

Halo 3: This stuff is your history!

Can't Put It Down

Complete 150 missions or multiplayer games.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

A Few Trinkets

Collect 5,000 campaign or playlist medals.

Scavenger Hunt

Kill 1000 Jackals.

Prophet's Bane

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

Warrior

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

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

Just Browsing

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

Skulltaker Halo: CE: Mythic

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

Taste Test

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

Arrival

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

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.

Librarian's Gift

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

He's Unstoppable

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

Contender

Win 50 multiplayer games.

I Need A Weapon

Halo: Reach: Complete Nightfall.

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.

Cold Fusion

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

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Silent but Deadly

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

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Bonus Level

Complete 200 missions or multiplayer games.

MVP

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

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

Skulltaker Halo 3: Blind

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

Tayari Plaza

H3: ODST: Complete Tayari Plaza.

To War

Halo: Reach: Complete Tip of the Spear.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Piece of Cake

Halo 4: Beat the par time on Dawn.

Skulltaker Halo: CE: Iron

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

Wake Up, John

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

Enamored

Halo 2: Activate Terminal 7 on Regret.

Dambuster

Halo 3: Beat the par time on Floodgate.

Skulltaker Halo: CE: Famine

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

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Listener

H3: ODST: Find the 1st Audio Log.

What About Bob?

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

Scholar

Halo 2: Activate Terminal 11 on Uprising.

Uplift Reserve

H3: ODST: Complete Uplift Reserve.

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Before and After

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

Skulltaker Halo 3: Black Eye

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

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

An Ear Full

H3: ODST: Find the 2nd Audio Log.

Up All Night

Complete 250 missions or multiplayer games.

Into The Howling Dark

Halo: Reach: Complete Exodus.

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.

Front Page News

Halo: Reach: Find me in the club.

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.

Tourist

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

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Dust And Echoes

Halo: Reach: Complete New Alexandria.

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

Skulltaker Halo: CE: Foreign

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

Tighten Up The Graphics

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

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Dankey Kang

Kill 1000 Brutes.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Skulltaker Halo 3: Iron

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

NMPD HQ

H3: ODST: Complete NMPD HQ.

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.

Checkmate

Kill 100 Watchers.

Boundless

Halo 2: Beat the par score on Delta Halo.

Tuned In

H3: ODST: Find the 3rd Audio Log.

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.

This Is Not Your Grave

Halo: Reach: Complete The Package.

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Tour of Duty

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

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Kikowani Station

H3: ODST: Complete Kikowani Station.

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.

Data Hive

H3: ODST: Complete Data Hive.

Can't Get Enough

Complete 300 missions or multiplayer games.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Coastal Highway

H3: ODST: Complete Coastal Highway.

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.

Skulltaker Halo 3: Grunt Birthday Party

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

Siege of Ivory Tower

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

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.

Do Tell

H3: ODST: Find the 4th Audio Log.

War

Halo 4: Activate Terminal 1 on Requiem.

Believe in a Hero

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

Forged in Fire

Win 100 multiplayer games.

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

Welcome to Reach

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

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

Flipyap

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

Put Up Your Dukes

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

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.

Skulltaker Halo 3: Mythic

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

Blown Out of the Sky

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

Hear Me Out

H3: ODST: Find the 5th Audio Log.

Committed

Complete 350 missions or multiplayer games.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

Head Banging

Halo 4: Beat the par score on Composer.

Rookie

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

Pineapple Express

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

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.

With Your Shield or On It

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

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Beachhead

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

The Soldier We Need You To Be

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

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.

Skulltaker Halo 3: Tough Luck

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

Frequent Flyer Miles

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

Ranger

Halo 3: Beat the par score on The Ark.

Skulltaker Halo: CE: Recession

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

Veteran

Complete all campaigns on Normal difficulty.

Medal Completionist

Collect 10,000 campaign or playlist medals.

Eavesdropping

H3: ODST: Find the 6th Audio Log.

Big Time Gamer

Complete 400 missions or multiplayer games.

Window Shopping

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

Ninja Redux

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

Urban Warfare Badge

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

Sightseeing

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

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.

Skulltaker Halo 3: Thunderstorm

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

Departure

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

Hero

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

Thanks A Killion

Kill 20,000 enemies or players.

Skulltaker Halo: CE: Boom

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

Vanguard

Halo 3: Beat the par score on The Covenant.

Give Him the Stick

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

Auditor

H3: ODST: Find the 7th Audio Log.

No-Fly Zone

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

Skulltaker Halo 3: Fog

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

Long Time Fan

Complete 450 missions or multiplayer games.

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Justice

Halo 4: Activate Terminal 6 on Composer.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

Sharpshooter

Win 150 multiplayer games.

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Primate

Halo 3: Find your first missing links.

Guerilla

Halo 3: Beat the par score on Sierra 117.

I Need a Hero

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

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Needs More Whammy Bar

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

Overheard

H3: ODST: Find the 8th Audio Log.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Skulltaker Halo: CE: Eye Patch

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

Does Whatever a Spartan Can?

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

Pillar of Awesome

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

Cold as Ice

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

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

The Long Haul

Complete 500 missions or multiplayer games.

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

Skulltaker Halo 3: Famine

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

Run and Gunned

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

Double Trouble

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

Living Legend

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

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

Naughty Naughty

Kill 10 Engineers.

Still Sharp

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

Wiretapping

H3: ODST: Find the 9th Audio Log.

King of the Crows

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

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Master Forger

Created and saved 5 Custom Maps in Forge.

Exterminator

Halo 3: Beat the par score on Floodgate.

Finished the Fight

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

Askar

Halo 3: Beat the par score on The Storm.

Game Breaker

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

Knight in White Assassination

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

Magic Touch

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

Gunslinger

Halo 4: Beat the par score on Dawn.

Son of a Gun

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

Skulltaker Halo 3: Catch

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

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Skunked

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

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

This Side Up

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

Skulltaker Halo 3: Tilt

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

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Monitored

H3: ODST: Find the 10th Audio Log.

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

In It To Win It

Win 200 multiplayer games.

Artifact

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

Reading Room

Halo CE: Beat the par score on The Library.

Swift and Shallow

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

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.

Rex Sword

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

Spree Master

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

Folks Need Heroes…

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

Like Peanut Butter and Chocolate

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

Cowardly Grunt

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

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Skulltaker Halo: CE: Malfunction

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

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Hey, You Dropped This

Halo: Reach: Find Data Pad 1 on Winter Contingency

Two Corpses In One Grave

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

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.

Fists of Fury

Halo 2: Beat the par score on Regret.

Skulltaker Halo 3: Cowbell

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

Witching Hour

Halo 4: Beat the par score on Midnight.

Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

First In, Last Out

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

One Way Ride

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

Dogcatcher

Kill 1000 Crawlers.

The Legend of 117

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

Time Shift

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

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

Ice In Your Veins

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

Negative, Ghostrider

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

Catherine

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

Nine Lives Are a Myth

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

Skulltaker Halo 3: IWHBYD

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

Stayin' Alive

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

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Skulltaker Halo: CE: Bandana

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

No Man's Land

Halo 2: Beat the par time on Uprising.

Eminent Domain

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

Cool Story Bro

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

Skulltaker Halo: CE: Grunt Birthday Party

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

Battle Hardened

Win 250 multiplayer games.

Give Heed

H3: ODST: Find the 12th Audio Log.

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Skulltaker Halo: CE: Pinata

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

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

Get Me Out of Here!

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

Sabre Metrics

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

Skulltaker Halo: CE: Fog

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

Insomnia

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

War Hero

Complete all campaigns on Heroic difficulty.

Legendary Anniversary

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

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

Back In The Day

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

Precious Cargo

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

Get A Load

H3: ODST: Find the 13th Audio Log.

Do You Remember When We Met

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

E E E

Halo 2: View both signs in the level Metropolis.

Didact's Hand

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

He Never Gets Me Anything

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

Skulltaker Halo: CE: Black Eye

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

Catch 'Em Napping

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

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Checking Out Your Options

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

No Picnic

Halo: Reach: Observe a grizzy scene on New Alexandria.

Don't Strain Your Metaphors

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

Thermopylae

Win 300 multiplayer games.

Snoop Troop

H3: ODST: Find the 14th Audio Log.

Game Master

Created and saved 5 Custom Game types.

Thirsty Grunt

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

Skulltaker Halo 2: That's Just…Wrong

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

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

You're No Chips

Halo 4: What do Marines know about sticks?

Aim for the Head

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

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

Skulltaker Halo 2: Thunderstorm

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

Betcha can't stick it...

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

Lightning Strike

Halo 3: Beat the par time on The Storm.

TLDR

Halo CE: Beat the par time on The Library.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Bombing Run

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

Mean Streets of New Mombasa

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

All Ears

H3: ODST: Find the 15th Audio Log.

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Memento Mori

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

Official Business

Halo 2: Beat the par score on Gravemind.

Explore the Floor

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

Orpheus

Halo 3: Beat the par score on Cortana.

Haplorrhini

Halo 3: Find a lonely missing link.

Overtaken By Events

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

Grand Theft Halo

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

I Love My Job

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

Invasion

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

Chief, Smash!

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

Gods Must Be Strong

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

And So It Begins...

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

Double Time!

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

Scattered

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

Why Am I Here?

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

Skulltaker Halo 2: Iron

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

Ear Bender

H3: ODST: Find the 16th Audio Log.

Gate Your Thirst!

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

Regrettable Turn of Events

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

All According to Plan...

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

Triple Threat

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

Thirst Locked Down!

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

Witch Doctor

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

Striking Fear in Their Hearts

Win 350 multiplayer games.

I Like Crazy

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

Animal Habitat

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

Dark Fortress

Halo 4: Beat the par score on Requiem.

Rule Your Thirst!

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

High Altitude Thirst!

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

Wyrmslayer

Kill 250 Hunters.

A Pleasant Trip

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

Mystery Achievement

Inscrutable. Mysterious.

Shields Up!

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

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

Power Play

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

Bloody Thirsty!

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

No Smoking

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

Plugged In

H3: ODST: Find the 17th Audio Log.

Worship Your Thirst!

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

GOOOAAAAALLLL!

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

Expendable

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

Headhunter

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

Torchbearer

Halo 3: Beat the par score on Halo.

Skulltaker Halo 2: Grunt Birthday Party

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

Just Sayin...I Ain't Dead

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

BLASTacular!

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

I Dabble in Slaying

Complete one cross-game playlist.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

Attentive

H3: ODST: Find the 18th Audio Log.

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.

Collection Eligibility Confirmed

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

Skulltaker Halo 2: Envy

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

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

Scurty Bump

Halo CE: Beat the par time on Keyes.

What About Those Tanks?

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

Skulltaker Halo 2: Famine

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

Sandbox Skull

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

Steady Aim

Win 400 multiplayer games.

Skulltaker Halo 2: Catch

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

Commuter

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

Watchful

H3: ODST: Find the 19th Audio Log.

Legend

Complete all campaigns on Legendary difficulty.

Exodus

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

Top Gungoose

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

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Key

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

Assembly Skull

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

Skeet Shooter

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

Why So Serious

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

Sid Graffiti

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

Observant

H3: ODST: Find the 20th Audio Log.

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

Survey Says...

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

Bake That Cake

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

Longshore Skull

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

Skulltaker Halo 2: Assassins

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

Scout

H3: ODST: Find the 21st Audio Log.

Dirge of Madrigal

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

Orbital Skull

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

Vetro Strike

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

Pour It On

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

Lone Wolf Legend

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

Skulltaker Halo 2: Sputnik

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

Missing Link

Halo 3: Watching. Waiting. Plotting.

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

He's Running a Marathon...

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

The Goose is Loose

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

You Really Can't Handle the Truth

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

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

Pyrrhic Solution

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

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

Heretic Skull

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

Making History

Halo 3: Beat the par time on Cortana.

Citadel Skull

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

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

Quick Trigger Finger

Win 450 multiplayer games.

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

Adventurer

H3: ODST: Find the 22nd Audio Log.

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Man on the Moon

Halo 3: He's watching you.

One Got Away

H3: ODST: View the missing link.

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Spotter

H3: ODST: Find the 23rd Audio Log.

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Skulltaker Halo 2: Anger

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

Roses vs Violets

Halo 4: Why are you even here?

Lightning in a Bottle

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

Red vs. Blue

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

Are We There Yet?

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

Considerate

H3: ODST: Find the 24th Audio Log.

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

Heading to his Destiny

Halo 3: Destined for greatness.

Skulltaker Halo 2: Mythic

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

Zealot

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

Milk Carton

Halo 3: Find the poster of the missing man.

Hit The Beach

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

Shook the Hornet's Nest

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

Circuit Breaker

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

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

"BLAM" Said The Lady!

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

Scorched Earth

Halo 2: Beat the par score on High Charity.

On Your Toes

H3: ODST: Find the 25th Audio Log.

Skulltaker Halo 2: Black Eye

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

Read Halsey's Journal

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

Seconds

Halo 2: Complete a Halo 2 playlist.

Madrigal Debut

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

Archivist

H3: ODST: Find the 26th Audio Log.

Multiplayer Champion

Win 500 multiplayer games.

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

Headstrong

Halo CE: Beat the par score on Keyes.

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

Feet First

Halo 4: Complete all Spartan Ops chapters.

Begins with a Single Step

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

Your Attention Please

H3: ODST: Find the 27th Audio Log.

Skulltaker Halo 2: IWHBYD

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

Toybox

Halo 2: Collect all eight Halo toys.

T-Rex

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

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall

Catching On

H3: ODST: Find the 28th Audio Log.

HI BEN

Halo 2: Oh, hi!

Skulltaker Halo 2: Ghost

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

Flyover Country

Halo CE: Beat the par time on Halo.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Megg

Halo CE: It's a sign.

Unreliable Narrator

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

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

Clear and Present Danger

Halo: Reach: Pad on the run.

Wisening Up

H3: ODST: Find the 29th Audio Log.

Minority Report

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

Wraith Hunter

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

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Well...Maybe One or Two

Kill 25 Engineers.

Symphony of Pain

Halo 4: Beat the par time on Composer.

Fowl Hunt

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

Firefly

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

Charted

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

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

10 Minutes Too Early

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

Term of Enlistment

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

A Monument To All Your Sins

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

Audiophile

H3: ODST: Find the 30th Audio Log.

Lore Master

Activate all terminals.

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Winter Urgency

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

Ouroboros

Halo 4: Beat the par time on Infinity.

Speedy Delivery

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

Consumption Junction

Halo CE: Beat the par score on The Maw.

Interloper

Halo 4: Beat the par time on Requiem.

All You Can Eat

Halo CE: Beat the par time on The Maw.

You Can't Handle the Truth

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

Would It've Killed You To Take The Elevator

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

Those Left Behind

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

HBOrg Special

Halo: Reach: Party with the DJ Brute.

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

Trophy Collector

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

Monumental Thirst!

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

NEXT!

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

Meddling and Madness

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

Waypoint

Halo 3: Beat the par time on The Ark.

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Countdown

Halo 4: Beat the par time on Midnight.

Rampant Speculation

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

Wetwork

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

Planting A Flag

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

Better With Age

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

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

They've Always Been Faster

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

Force of Will

Halo 2: Beat the par time on Gravemind.

You Had it Coming

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

Nice Work Dawg!

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

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus

The Hype Is Real

Halo 2: Beat the par score on Uprising.

What Power Outage?

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

Floor It!

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

Speed Demon

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

Strong, Silent Type

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

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

Nagato Makes Moving Easy

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

This is my Rifle, This is my Gun

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

Bill Past Due

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

Vandalized

H3: ODST: Face it.

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package

Throne of Bones

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

Hazard Pay

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

Destination Vacation

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

An Artist's Canvas

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

First Stop: Anywhere But Here!

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

I Regret Nothing

Halo 2: Beat the par time on Regret.

Catch This

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

What Does It All Mean?

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

Did Somebody Say...

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

Fast and Low

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

Now Just You Gúta Minute

Halo: Reach: Beat the par time on Nightfall.

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

One For the Record Books

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

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.

Pacifist

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

Generous Tipper

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

Going Nowhere Fast

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

Unsolved Mysteries

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

Feet Don't Fail Me Now

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

Life Story

Complete the Master Chief Saga playlist.

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

Icarus

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

Capacious Cartography

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

Shoot and Scoot

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

Sample Plate

Complete three cross-game playlists.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Tying Up Loose Ends

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

Starved For Shields

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

Wait, How'd the Ship Get Down Here?

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

The Return of Megg

Halo 2: She's not picking up.

The True King

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

The Answer is Simple

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

How Did I Lose All My Fingers?

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

This is Not the Greatest Lab in the World…

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

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria

Classic

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

Of Patience and Partiality

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

Smooth Operator

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

Easy As One Two Three

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

Invaders Repelled

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

Leave It Where It Lay

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

Silent Shepherds

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

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Curious Composition

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

We're Gonna Need a Bigger Ship

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

Assembled the Majority

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

Can't Stop Here, This is Brute Country

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

Just Like Storming a Castle

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

Because It Wasn't Hard Enough

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

Aficiando

Halo 3: Complete three Halo 3 playlists.

Who Needs Them?

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

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

Mortardom

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

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Domination

Earn a total of 100 Legendary medals in matchmade games.

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

Devotee

Halo 4: Complete three Halo 4 playlists.

Fly, You Fools!

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

Squid Jackpot!

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

No One Left Behind

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

This Oliphant Has No Brakes

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

Bros to the Close

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

Knightbane

Kill 1000 Knights.

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

No Easy Way Out

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

Overachiever

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

Airborne

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

Classic Completion

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

Arcade Owner

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

Trifecta

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

That Just Happened

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

We'll Be Back

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

Fast Fall

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

Look Out for the Little Guys

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

Forza in the Fall

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

Annual

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

Mind the Gap

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

The Marine Corps Gives Its Regards

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

Remove the Bishops From the Board

Kill 1000 Watchers.

Keep Your Foot on the Pedrogas

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

Devastating

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

Left Behind

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

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

Déjà Vu

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

You're Joking

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

Goat Roped

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

A Preference for Pain

Halo 3: Complete the Halo 3 LASO Campaign playlist.

One Final Firefight

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

Rock and Coil Hit Back

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

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Like a Fine Wine

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

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

Back for More

Halo 2: Complete the LASO campaign playlist.

Safety Not Guaranteed

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

Why Do This To Yourself?

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

Monopolized

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

LASO Master

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

Roadkill Rampage

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

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.