The Dauntless

Medal Completionist

Collect 10,000 campaign or playlist medals.

Long Time Fan

Complete 450 missions or multiplayer games.

Up All Night

Complete 250 missions or multiplayer games.

Can't Get Enough

Complete 300 missions or multiplayer games.

Committed

Complete 350 missions or multiplayer games.

Big Time Gamer

Complete 400 missions or multiplayer games.

The Long Haul

Complete 500 missions or multiplayer games.

Checkmate

Kill 100 Watchers.

Capacious Cartography

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

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.

Confused Callouts

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

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

The Humble Beginnings of Wiljax Brantley

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

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

HBOrg Special

Halo: Reach: Party with the DJ Brute.

I Didn't Train To Be A Pilot

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

Wake Up Buttercup

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

Two Corpses In One Grave

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

They've Always Been Faster

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

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

No Picnic

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

Yes No You Decide

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

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Digital Destinies

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

Assembled the Majority

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

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package.

Silent Shepherds

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

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria.

Curious Composition

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

Of Patience and Partiality

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

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus.

The Answer is Simple

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

Minority Report

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

Meddling and Madness

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

Your Heresy Will Stay Your Feet

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

Rampant Speculation

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

Enemies Everywhere!

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

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.

Game Breaker

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

Unsolved Mysteries

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

Remember Reach

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

This is Not the Greatest Lab in the World...

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

Swift and Shallow

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

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall.

Read Halsey's Journal

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

What Does It All Mean?

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

Hey, You Dropped This

Halo: Reach: Find Data Pad 1 on Winter Contingency.

Unreliable Narrator

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

Clear and Present Danger

Halo: Reach: Pad on the run.

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.

Welcome to Reach

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

Collection Eligibility Confirmed

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

This Is Not Your Grave

Halo: Reach: Complete The Package.

Dust And Echoes

Halo: Reach: Complete New Alexandria.

New Ways to Save a Buck

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

Front Page News

Halo: Reach: Find me in the club.

Into The Howling Dark

Halo: Reach: Complete Exodus.

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Because It Wasn't Hard Enough

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

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.

To War

Halo: Reach: Complete Tip of the Spear.

Mind the Skill Gap

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

I Need A Weapon

Halo: Reach: Complete Nightfall.

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.

What About Bob?

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

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.

Overtaken By Events

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

Can't Stop Here, This is Brute Country

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

Feet Don't Fail Me Now

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

First Stop: Anywhere But Here!

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

A Pleasant Trip

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

An Artist's Canvas

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

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Floor It!

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

Bill Past Due

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

Catch 'Em Napping

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

Just Sayin...I Ain't Dead

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

Classic

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

One Way Ride

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

Xenophobia

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

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

One Got Away

H3: ODST: View the missing link.

Rookie

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

Coastal Highway

H3: ODST: Complete Coastal Highway.

Double Time!

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

"BLAM" Said The Lady!

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

Data Hive

H3: ODST: Complete Data Hive.

Strong, Silent Type

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

Audiophile

H3: ODST: Find the 30th Audio Log.

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

Firefly

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

Wisening Up

H3: ODST: Find the 29th Audio Log.

Catching On

H3: ODST: Find the 28th Audio Log.

Your Attention Please

H3: ODST: Find the 27th Audio Log.

Archivist

H3: ODST: Find the 26th Audio Log.

On Your Toes

H3: ODST: Find the 25th Audio Log.

Considerate

H3: ODST: Find the 24th Audio Log.

Spotter

H3: ODST: Find the 23rd Audio Log.

Adventurer

H3: ODST: Find the 22nd Audio Log.

Scout

H3: ODST: Find the 21st Audio Log.

Observant

H3: ODST: Find the 20th Audio Log.

Watchful

H3: ODST: Find the 19th Audio Log.

Attentive

H3: ODST: Find the 18th Audio Log.

Plugged In

H3: ODST: Find the 17th Audio Log.

Ear Bender

H3: ODST: Find the 16th Audio Log.

All Ears

H3: ODST: Find the 15th Audio Log.

Snoop Troop

H3: ODST: Find the 14th Audio Log.

Get A Load

H3: ODST: Find the 13th Audio Log.

Give Heed

H3: ODST: Find the 12th Audio Log.

Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

Monitored

H3: ODST: Find the 10th Audio Log.

Wiretapping

H3: ODST: Find the 9th Audio Log.

Overheard

H3: ODST: Find the 8th Audio Log.

Auditor

H3: ODST: Find the 7th Audio Log.

Eavesdropping

H3: ODST: Find the 6th Audio Log.

Hear Me Out

H3: ODST: Find the 5th Audio Log.

Do Tell

H3: ODST: Find the 4th Audio Log.

Tuned In

H3: ODST: Find the 3rd Audio Log.

An Ear Full

H3: ODST: Find the 2nd Audio Log.

Listener

H3: ODST: Find the 1st Audio Log.

Kikowani Station

H3: ODST: Complete Kikowani Station.

Well...Maybe One or Two

H3: ODST: Kill 25 Engineers.

Naughty Naughty

H3: ODST: Kill 10 Engineers.

Fast and Low

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

Secret Agent

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

NMPD HQ

H3: ODST: Complete NMPD HQ.

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

Vandalized

H3: ODST: Face it.

Bonus Level

Complete 200 missions or multiplayer games.

Private Eye

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

Dankey Kang

Kill 1000 Brutes.

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

Fowl Hunt

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

What About Those Tanks?

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

Bloodhound

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

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

Gumshoe

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

Uplift Reserve

H3: ODST: Complete Uplift Reserve.

Does Whatever a Spartan Can?

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

Investigator

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

Tayari Plaza

H3: ODST: Complete Tayari Plaza.

Deference of Darkness

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

Two Places, Same Time

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

Bip! Bap! BAM!

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

Junior Detective

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

Pineapple Express

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

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

Monumental Thirst!

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

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Stick With It

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

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Back At It

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

A Long Time Ago

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

Lightning in a Bottle

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

Would It've Killed You To Take The Elevator

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

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Were It So Easy

Kill 1000 Elites.

Scavenger Hunt

Kill 1000 Jackals.

Put Up Your Dukes

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

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.

Memento Mori

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

Feet First

Halo 4: Complete all Spartan Ops chapters.

Exodus

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

Key

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

Expendable

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

Invasion

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

Scattered

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

Can't Put It Down

Complete 150 missions or multiplayer games.

Didact's Hand

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

Catherine

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

Artifact

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

Departure

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

Power Play

Halo 2A MP: On Warlord, get every center powerup that becomes available in a single game.

Shook the Hornet's Nest

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

Just Browsing

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

Contender

Win 50 multiplayer games.

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.

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.

Longshore Skull

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

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

Heretic Skull

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

World Traveler

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

Citadel Skull

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

I Got This

Complete 100 missions or multiplayer games.

Sandbox Skull

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

Orbital Skull

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

Assembly Skull

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

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Roses vs Violets

Halo 4: Why are you even here?

Red vs. Blue

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

Bombing Run

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

Wetwork

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

Master Forger

Created and saved 5 Custom Maps in Forge.

The Goose is Loose

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

Skeet Shooter

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

Double Down

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

Invaders Repelled

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

Stayin' Alive

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

Eminent Domain

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

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Decorated Warrior

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

Grand Theft Halo

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

Blown Out of the Sky

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

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.

Cold Fusion

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

Counter-Sniped

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

Thirst Locked Down!

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

Cold as Ice

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

Tour of Duty

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

Worship Your Thirst!

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

Rule Your Thirst!

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

Bloody Thirsty!

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

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.

Time Shift

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

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Tempered Blade

Win 10 multiplayer games.

Game Master

Created and saved 5 Custom Game types.

Third Time's A Charm

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

Destination Vacation

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

Man on the Moon

Halo 3: He's watching you.

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Why Am I Here?

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

Sid Graffiti

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

Why So Serious

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

Animal Habitat

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

Sounds Familiar

Halo 3: This stuff is your history!

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Demon

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

The Return of Megg

Halo 2: She's not picking up.

Silent but Deadly

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

Fists of Fury

Halo 2: Beat the par score on Regret.

Needs More Whammy Bar

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

Siege of Ivory Tower

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

Betcha can't stick it...

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

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Mystery Achievement

Inscrutable. Mysterious.

Midnight

Halo 4: Complete Midnight.

Librarian's Gift

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

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

I Was Wondering What Would Break First

Kill 100 Knights.

Chief, Smash!

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

Lore Master

Activate all terminals.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Composer

Halo 4: Complete Composer.

A Few Trinkets

Collect 5,000 campaign or playlist medals.

Justice

Halo 4: Activate Terminal 6 on Composer.

You're No Chips

Halo 4: What do Marines know about sticks?

Give Him the Stick

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

Shutdown

Halo 4: Complete Shutdown.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Reclaimer

Halo 4: Complete Reclaimer.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Infinity

Halo 4: Complete Infinity.

Game On

Complete 50 missions or multiplayer games.

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.

Pest Control

Kill 100 Crawlers.

Forerunner

Halo 4: Complete Forerunner.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Requiem

Halo 4: Complete Requiem.

War

Halo 4: Activate Terminal 1 on Requiem.

Hunters Hunted

Kill 50 Hunters.

Dawn

Halo 4: Complete Dawn.

Digging up the Past

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

Return

Halo 3: Complete Halo.

Prophet's Bane

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

Training Wheels

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

Cool Story Bro

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

A Heap of Medals

Collect 4,000 campaign or playlist medals.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull.

Throne of Bones

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

Witch Doctor

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

Heading to his Destiny

Halo 3: Destined for greatness.

The Key

Halo 3: Complete Cortana.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull.

Last Stand

Halo 3: Complete The Covenant.

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull.

Dirge of Madrigal

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

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull.

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

Refuge

Halo 3: Complete The Ark.

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull.

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull.

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Cleansing

Halo 3: Complete Floodgate.

Dambuster

Halo 3: Beat the par time on Floodgate.

Milk Carton

Halo 3: Find the poster of the missing man.

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull.

Assault

Halo 3: Complete The Storm.

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull.

The Road

Halo 3: Complete Tsavo Highway.

Begins with a Single Step

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

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull.

A Crate of Medals

Collect 3,000 campaign or playlist medals.

Holdout

Halo 3: Complete Crow's Nest.

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull.

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull.

Landfall

Halo 3: Complete Sierra 117.

Haplorrhini

Halo 3: Find a lonely missing link.

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull.

Primate

Halo 3: Find your first missing links.

Missing Link

Halo 3: Watching. Waiting. Plotting.

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull.

Can't Keep Him Down

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

The Great Journey

Halo 2: Complete The Great Journey.

Tighten Up The Graphics

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

Big Green Style

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

Pyrrhic Solution

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

Toybox

Halo 2: Collect all eight Halo toys.

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

High Charity

Halo 2: Complete High Charity.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

I Like Crazy

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

Uprising

Halo 2: Complete Uprising.

No Man's Land

Halo 2: Beat the par time on Uprising.

Going Bananas

Kill 100 Brutes.

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

Cowardly Grunt

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

Gravemind

Halo 2: Complete Gravemind.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Foe Hammer

Kill 5,000 enemies or players.

Go Ape Shiv

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

He's Running a Marathon...

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

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

Six Pedals, Four Directions

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

Sacred Icon

Halo 2: Complete Sacred Icon.

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Regret

Halo 2: Complete Regret.

Enamored

Halo 2: Activate Terminal 7 on Regret.

Regrettable Turn of Events

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

HI BEN

Halo 2: Oh, hi!

Delta Halo

Halo 2: Complete Delta Halo.

And So It Begins...

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

Oracle

Halo 2: Complete The Oracle.

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

10 Minutes Too Early

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

The Arbiter

Halo 2: Complete The Arbiter.

A Pile of Medals

Collect 2,000 campaign or playlist medals.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Metropolis

Halo 2: Complete Metropolis.

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

E E E

Halo 2: View both signs in the level Metropolis.

GOOOAAAAALLLL!

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

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Gruntageddon

Kill 1000 Grunts.

Outskirts

Halo 2: Complete Outskirts.

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Rex Sword

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

Cairo Station

Halo 2: Complete Cairo Station.

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

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.

Skulltaker Halo 2: Iron

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

Skulltaker Halo 2: Ghost

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

Scholar

Halo 2: Activate Terminal 11 on Uprising.

Skulltaker Halo 2: Anger

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

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

Skulltaker Halo 2: Sputnik

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

Skulltaker Halo 2: Mythic

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

Skulltaker Halo 2: Assassins

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

Skulltaker Halo 2: Envy

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

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Skulltaker Halo 2: Famine

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

Skulltaker Halo 2: Grunt Birthday Party

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

Dirty Bird

Halo 2: Fly the Heretic Banshee on The Great Journey.

Skulltaker Halo 2: Catch

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

Skulltaker Halo 2: IWHBYD

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

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

THE Chips Dubbo?

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

Skulltaker Halo 2: Thunderstorm

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

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

The Guardians Are Coming

Get killed by the Guardians.

Skulltaker Halo 2: That's Just...Wrong

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

The Maw

Halo CE: Complete The Maw.

Before and After

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

Greenhorn

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

This Side Up

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

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.

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.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Keyes

Halo CE: Complete Keyes.

Scurty Bump

Halo CE: Beat the par time on Keyes.

No Smoking

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

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Where Am I?

Complete 10 missions or multiplayer games.

Two Betrayals

Halo CE: Complete Two Betrayals.

Skulltaker Halo: CE: Pinata

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

Zombie Repeller

Kill 1000 Flood.

All Out of Bubblegum

Collect 1,000 unique campaign or playlist medals.

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

The Library

Halo CE: Complete The Library.

Skulltaker Halo: CE: Eye Patch

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

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Skulltaker Halo: CE: Black Eye

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

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Delicious Brains

Kill 100 Flood.

Skulltaker Halo: CE: Recession

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

Get Me Out of Here!

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

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Hitchhikers May Be Escaping Convicts

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

Madrigal Debut

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

Wraith Hunter

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

Skulltaker Halo: CE: Malfunction

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

Skulltaker Halo: CE: Fog

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

A Day To Remember

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

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Hit The Beach

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

Pacifist

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

Skulltaker Halo: CE: Bandana

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

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

Just A Taste

Collect 500 campaign or playlist medals.

Skulltaker Halo: CE: Famine

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

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

Close Quarters Combat

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

Splinters

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

Spoilsport

Kill 100 Jackals.

The One Percent

Kill 100 Elites.

Skulltaker Halo: CE: Foreign

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

My Buddy Chips

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

All According to Plan...

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

Halo

Halo CE: Complete Halo.

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

No-Fly Zone

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

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

Skulltaker Halo: CE: Boom

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

Balaho's Most Wanted

Kill 100 Grunts.

Skulltaker Halo: CE: Mythic

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

Your Journey Begins

Complete a campaign mission or a match of multiplayer.

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Didn't Like This Ship Anyways

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

Just Getting Started

Kill 100 enemies or players.

Arrival

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

Skulltaker Halo: CE: Iron

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

Megg

Halo CE: It's a sign.

Life Story

Complete the Master Chief Saga playlist.

Thanks A Killion

Kill 20,000 enemies or players.

Bite The Hand

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

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.

LASO Master

Complete the LASO playlist for every Halo game.

Flyover Country

Halo CE: Beat the par time on Halo.

You Can't Handle the Truth

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

TLDR

Halo CE: Beat the par time on The Library.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

All You Can Eat

Halo CE: Beat the par time on The Maw.

Did Somebody Say...

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

Charted

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

Vetro Strike

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

Pillar of Awesome

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

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

You Really Can't Handle the Truth

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

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.

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.

Overshields are for Sissies

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

Walk It Off

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

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.

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

Like a Fine Wine

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

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

Brovershield

Complete any co-op level on Heroic difficulty.

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.

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.

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.

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.

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.

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.

Warden

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

Ninja Redux

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

Flaming Ninja Anniversary

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

Legend Slayer

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

Back for More

Halo 2: Complete the LASO campaign playlist.

Monopolized

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

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.

Vanguard

Halo 3: Beat the par score on The Covenant.

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.

With Your Shield or On It

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

Finished the Fight

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

Who Needs Them?

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

Annual

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

Flipyap

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

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.

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Head Banging

Halo 4: Beat the par score on Composer.

Witching Hour

Halo 4: Beat the par score on Midnight.

You Had it Coming

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

Wake Up, John

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

I Need a Hero

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

The Legend of 117

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

Lone Wolf Legend

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

This is my Rifle, This is my Gun

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

Bros to the Close

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

Explore the Floor

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

You're Joking

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

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 on the same console. Tri-tip optional.

Mortardom

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

Beachhead

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

Bro Hammer

Complete any co-op level on Legendary difficulty.

Shields Up!

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

Triple Threat

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

Zealot

Halo 2A MP: Win 10 multiplayer 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.

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

In It To Win It

Win 200 multiplayer games.

Sharpshooter

Win 150 multiplayer games.

Battle Hardened

Win 250 multiplayer games.

Thermopylae

Win 300 multiplayer games.

Striking Fear in Their Hearts

Win 350 multiplayer games.

Steady Aim

Win 400 multiplayer games.

Quick Trigger Finger

Win 450 multiplayer games.

Multiplayer Champion

Win 500 multiplayer games.

Wyrmslayer

Kill 250 Hunters.

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.

MVP

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

No One Left Behind

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

Knight in White Assassination

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

What Power Outage?

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

No Easy Way Out

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

Nice Work Dawg!

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

Aim for the Head

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

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Domination

Earn a total of 100 Legendary medals in matchmade games.

Double Trouble

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

Spree Master

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

Catch This

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

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Planting A Flag

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

The True King

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

Roadkill Rampage

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

Rock and Coil Hit Back

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

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Airborne

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

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.

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.

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.

The Soldier We Need You To Be

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

Folks Need Heroes...

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

Gods Must Be Strong

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

A Monument To All Your Sins

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

Winter Urgency

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

Just Like Storming a Castle

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

Now Just You Guta Minute

Halo: Reach: Beat the par time on Nightfall.

Generous Tipper

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

Sabre Metrics

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

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

One For the Record Books

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

Speedy Delivery

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

Wait, How'd the Ship Get Down Here?

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

Fast Fall

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

Ice In Your Veins

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

Still Sharp

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

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.

Bake That Cake

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

Insomnia

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

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

Nine Lives Are a Myth

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

How Did I Lose All My Fingers?

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

Precious Cargo

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

We'll Be Back

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

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Tank Beats Everything

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

Forza in the Fall

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

We're Gonna Need a Bigger Ship

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

Fly, You Fools!

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

Why Do This To Yourself?

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

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

Keep Your Foot on the Pedrogas

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

Negative, Ghostrider

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

Skunked

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

Left Behind