AlmightySparrow

Knightbane

Kill 1000 Knights.

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Domination

Earn a total of 100 Legendary 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.

Remember Reach

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

Remove the Bishops From the Board

Kill 1000 Watchers.

One Final Firefight

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

Multiplayer Champion

Win 500 multiplayer games.

Quick Trigger Finger

Win 450 multiplayer games.

Steady Aim

Win 400 multiplayer games.

Striking Fear in Their Hearts

Win 350 multiplayer games.

Thermopylae

Win 300 multiplayer games.

Battle Hardened

Win 250 multiplayer games.

In It To Win It

Win 200 multiplayer games.

Sharpshooter

Win 150 multiplayer games.

They've Always Been Faster

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

Forged in Fire

Win 100 multiplayer games.

Skunked

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

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

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

Left Behind

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

Ninja Redux

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

Zealot

Halo 2A MP: Win 10 multiplayer games as an Elite.

MVP

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

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

Yes No You Decide

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

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Assembled the Majority

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

Silent Shepherds

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

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.

The Answer is Simple

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

Unsolved Mysteries

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

What Does It All Mean?

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

Digital Destinies

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

Terminal Conditions

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

Paper Trail

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

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus.

Minority Report

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

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall.

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Because It Wasn't Hard Enough

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

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Forza in the Fall

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

Fly, You Fools!

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

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

Two Corpses In One Grave

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

Capacious Cartography

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

Run and Gunned

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

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.

A Monument To All Your Sins

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

Sabre Metrics

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

Fast Fall

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

Generous Tipper

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

Just Like Storming a Castle

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

Wait, How'd the Ship Get Down Here?

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

Speedy Delivery

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

One For the Record Books

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

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

Classic Completion

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

Negative, Ghostrider

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

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.

Collection Eligibility Confirmed

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

HBOrg Special

Halo: Reach: Party with the DJ Brute.

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

No Picnic

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

We're Gonna Need a Bigger Ship

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

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

Meddling and Madness

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

Rampant Speculation

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

Confused Callouts

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

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.

Game Breaker

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

Enemies Everywhere!

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

Unreliable Narrator

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

Clear and Present Danger

Halo: Reach: Pad on the run.

Keep Your Foot on the Pedrogas

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

The Humble Beginnings of Wiljax Brantley

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

How Did I Lose All My Fingers?

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

We'll Be Back

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

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.

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.

Precious Cargo

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

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.

This Is Not Your Grave

Halo: Reach: Complete The Package.

Tank Beats Everything

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

Dust And Echoes

Halo: Reach: Complete New Alexandria.

Nine Lives Are a Myth

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

I Didn't Train To Be A Pilot

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

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.

Insomnia

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

Wake Up Buttercup

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

Bake That Cake

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

Now Just You Guta Minute

Halo: Reach: Beat the par time on Nightfall.

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.

Still Sharp

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

Read Halsey's Journal

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

Winter Urgency

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

Ice In Your Veins

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

To War

Halo: Reach: Complete Tip of the Spear.

Swift and Shallow

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

Your Heresy Will Stay Your Feet

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

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

Hey, You Dropped This

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

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.

Flaming Ninja Anniversary

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

Shields Up!

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

Warden

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

Legend Slayer

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

Safety Not Guaranteed

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

Monopolized

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

Life Story

Complete the Master Chief Saga playlist.

Sample Plate

Complete three cross-game playlists.

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

I Dabble in Slaying

Complete one cross-game playlist.

A Day To Remember

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

Catch This

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

Spree Master

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

Double Trouble

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

No Easy Way Out

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

No One Left Behind

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

Bros to the Close

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

Déjà Vu

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

Annual

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

What Power Outage?

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

Knight in White Assassination

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

Roses vs Violets

Halo 4: Why are you even here?

Nice Work Dawg!

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

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

You're Joking

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

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Flipyap

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

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

You Had it Coming

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

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Dogcatcher

Kill 1000 Crawlers.

Dark Fortress

Halo 4: Beat the par score on Requiem.

War Hero

Complete all campaigns on Heroic difficulty.

Legend

Complete all campaigns on Legendary 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.

Skulltaker Halo 2: Anger

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

Trophy Collector

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

Throne of Bones

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

The Return of Megg

Halo 2: She's not picking up.

GOOOAAAAALLLL!

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

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Do You Remember When We Met

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

Trifecta

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

Devotee

Halo 4: Complete three Halo 4 playlists.

Wyrmslayer

Kill 250 Hunters.

Gunslinger

Halo 4: Beat the par score on Dawn.

Lone Wolf Legend

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

Veteran

Complete all campaigns on Normal difficulty.

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.

A Long Time Ago

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

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Mortardom

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

Explore the Floor

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

You're No Chips

Halo 4: What do Marines know about sticks?

Master Forger

Created and saved 5 Custom Maps in Forge.

Game Master

Created and saved 5 Custom Game types.

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Nagato Makes Moving Easy

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

Torchbearer

Halo 3: Beat the par score on Halo.

Better With Age

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

Heading to his Destiny

Halo 3: Destined for greatness.

Mind the Gap

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

Devastating

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

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.

Orpheus

Halo 3: Beat the par score on Cortana.

Vanguard

Halo 3: Beat the par score on The Covenant.

Exterminator

Halo 3: Beat the par score on Floodgate.

Askar

Halo 3: Beat the par score on The Storm.

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

King of the Crows

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

Guerilla

Halo 3: Beat the par score on Sierra 117.

This is my Rifle, This is my Gun

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

Checkmate

Kill 100 Watchers.

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.

Chief, Smash!

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

Symphony of Pain

Halo 4: Beat the par time on Composer.

Give Him the Stick

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

Lore Master

Activate all terminals.

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Terminus

Halo 4: Activate all Halo 4 Terminals.

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Gimme That

Halo 4: Beat the par time on Reclaimer.

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Ouroboros

Halo 4: Beat the par time on Infinity.

I Was Wondering What Would Break First

Kill 100 Knights.

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Interloper

Halo 4: Beat the par time on Requiem.

War

Halo 4: Activate Terminal 1 on Requiem.

Piece of Cake

Halo 4: Beat the par time on Dawn.

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Third Time's A Charm

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

NEXT!

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

Secret Agent

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

Private Eye

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

Bloodhound

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

Gumshoe

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

Investigator

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

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

Audiophile

H3: ODST: Find the 30th Audio Log.

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

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.

I Love My Job

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

The Marine Corps Gives Its Regards

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

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 Got Away

H3: ODST: View the missing link.

Survey Says...

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

Pour It On

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

First Stop: Anywhere But Here!

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

Can't Stop Here, This is Brute Country

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

A Pleasant Trip

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

Bill Past Due

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

Well...Maybe One or Two

H3: ODST: Kill 25 Engineers.

Naughty Naughty

H3: ODST: Kill 10 Engineers.

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

"BLAM" Said The Lady!

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

Firefly

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

Strong, Silent Type

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

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

Fast and Low

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

Shoot and Scoot

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

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

Vandalized

H3: ODST: Face it.

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.

Does Whatever a Spartan Can?

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

Catch 'Em Napping

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

Those Left Behind

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

Pineapple Express

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

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.

Citadel Skull

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

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.

Just Browsing

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

World Traveler

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

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Sounds Familiar

Halo 3: This stuff is your history!

Man on the Moon

Halo 3: He's watching you.

Rookie

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

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.

NMPD HQ

H3: ODST: Complete NMPD HQ.

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

Floor It!

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

Deference of Darkness

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

Xenophobia

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

Uplift Reserve

H3: ODST: Complete Uplift Reserve.

Don't Strain Your Metaphors

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

Who Needs Them?

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

Ranger

Halo 3: Beat the par score on The Ark.

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.

An Artist's Canvas

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

Son of a Gun

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

Double Time!

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

This Oliphant Has No Brakes

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

Data Hive

H3: ODST: Complete Data Hive.

Overtaken By Events

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

Magic Touch

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

Kikowani Station

H3: ODST: Complete Kikowani Station.

Feet Don't Fail Me Now

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

Squid Jackpot!

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

One Way Ride

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

Bip! Bap! BAM!

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

Midnight

Halo 4: Complete Midnight.

Witching Hour

Halo 4: Beat the par score on 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.

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Composer

Halo 4: Complete Composer.

Head Banging

Halo 4: Beat the par score on Composer.

Justice

Halo 4: Activate Terminal 6 on Composer.

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Speed Demon

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

Waypoint

Halo 3: Beat the par time on The Ark.

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Begins with a Single Step

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

Witch Doctor

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

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull.

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Aficiando

Halo 3: Complete three Halo 3 playlists.

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Cool Story Bro

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

Making History

Halo 3: Beat the par time on Cortana.

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

Dirge of Madrigal

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

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Milk Carton

Halo 3: Find the poster of the missing man.

Lightning Strike

Halo 3: Beat the par time on The Storm.

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Time Shift

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

Haplorrhini

Halo 3: Find a lonely missing link.

Primate

Halo 3: Find your first missing links.

Missing Link

Halo 3: Watching. Waiting. Plotting.

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.

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull.

The Key

Halo 3: Complete 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.

Babbling Dead

Halo 3: Activate Terminal 6 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.

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Dankey Kang

Kill 1000 Brutes.

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.

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.

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull.

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.

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull.

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull.

Holdout

Halo 3: Complete Crow's Nest.

Landfall

Halo 3: Complete Sierra 117.

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.

Scorched Earth

Halo 2: Beat the par score on High Charity.

The Hype Is Real

Halo 2: Beat the par score on Uprising.

Official Business

Halo 2: Beat the par score on Gravemind.

Leave None Alive

Halo 2: Beat the par score on The Oracle.

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

Fists of Fury

Halo 2: Beat the par score on Regret.

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Ripple Fire

Halo 2: Beat the par score on Metropolis.

E E E

Halo 2: View both signs in the level Metropolis.

Objective Secured

Halo 2: Beat the par score on Outskirts.

Uprising

Halo 2: Complete Uprising.

No Man's Land

Halo 2: Beat the par time on Uprising.

Going Nowhere Fast

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

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.

The Great Journey

Halo 2: Complete The Great Journey.

Are We There Yet?

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

High Charity

Halo 2: Complete High Charity.

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Force of Will

Halo 2: Beat the par time on Gravemind.

I Regret Nothing

Halo 2: Beat the par time on Regret.

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.

BLASTacular!

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

Worship Your Thirst!

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

Monumental Thirst!

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

Rule Your Thirst!

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

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.

Contender

Win 50 multiplayer games.

Thirst Locked Down!

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

Red vs. Blue

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

Grand Theft Halo

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

Window Shopping

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

Skeet Shooter

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

Blown Out of the Sky

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

Bloody Thirsty!

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

Wetwork

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

Cold as Ice

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

Power Play

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

Put Up Your Dukes

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

Top Gungoose

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

Shook the Hornet's Nest

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

The Goose is Loose

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

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.

Tour of Duty

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

Counter-Sniped

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

Bombing Run

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

Invaders Repelled

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

Triple Threat

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

Destination Vacation

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

Animal Habitat

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

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.

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

He's Running a Marathon...

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

The Long Haul

Complete 500 missions or multiplayer games.

Long Time Fan

Complete 450 missions or multiplayer games.

Big Time Gamer

Complete 400 missions or multiplayer games.

Gravemind

Halo 2: Complete Gravemind.

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

Toybox

Halo 2: Collect all eight Halo toys.

Going Bananas

Kill 100 Brutes.

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Six Pedals, Four Directions

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

Sacred Icon

Halo 2: Complete Sacred Icon.

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Regret

Halo 2: Complete Regret.

Needs More Whammy Bar

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

HI BEN

Halo 2: Oh, hi!

Medal Completionist

Collect 10,000 campaign or playlist medals.

Delta Halo

Halo 2: Complete Delta Halo.

Boundless

Halo 2: Beat the par score on Delta Halo.

He Never Gets Me Anything

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

10 Minutes Too Early

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

Betcha can't stick it...

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

Rex Sword

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

Oracle

Halo 2: Complete The Oracle.

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

The Arbiter

Halo 2: Complete The Arbiter.

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

Tourist

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

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.

Committed

Complete 350 missions or multiplayer games.

Bite The Hand

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

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

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

Commuter

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

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

Demon

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

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Bonus Level

Complete 200 missions or multiplayer games.

Can't Put It Down

Complete 150 missions or multiplayer games.

Up All Night

Complete 250 missions or multiplayer games.

Can't Get Enough

Complete 300 missions or multiplayer games.

Metropolis

Halo 2: Complete Metropolis.

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

Outskirts

Halo 2: Complete 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.

Pyrrhic Solution

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

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Skulltaker Halo 2: Iron

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

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

LASO Master

Complete the LASO playlist for every Halo game.

Like a Fine Wine

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

Seconds

Halo 2: Complete a Halo 2 playlist.

Back for More

Halo 2: Complete the LASO campaign playlist.

I Like Crazy

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

Skulltaker Halo 2: Ghost

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

Scholar

Halo 2: Activate Terminal 11 on Uprising.

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

Go Ape Shiv

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

Cowardly Grunt

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

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

Skulltaker Halo 2: Sputnik

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

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Skulltaker Halo 2: Mythic

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

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Enamored

Halo 2: Activate Terminal 7 on Regret.

Skulltaker Halo 2: Assassins

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

Regrettable Turn of Events

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

Skulltaker Halo 2: Envy

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

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

And So It Begins...

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

Skulltaker Halo 2: Famine

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

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

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.

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Skulltaker Halo 2: Catch

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

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

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.

Silent but Deadly

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

I Got This

Complete 100 missions or multiplayer games.

Goat Roped

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

Circuit Breaker

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

Overachiever

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

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Headstrong

Halo CE: Beat the par score on Keyes.

Thanks A Killion

Kill 20,000 enemies or players.

Charted

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

You Really Can't Handle the Truth

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

Vetro Strike

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

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Consumption Junction

Halo CE: Beat the par score on The Maw.

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.

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Scavenger Hunt

Kill 1000 Jackals.

That Just Happened

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

Tying Up Loose Ends

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

Madrigal Debut

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

Reading Room

Halo CE: Beat the par score on The Library.

Skulltaker Halo: CE: Eye Patch

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

Headhunter

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

A Few Trinkets

Collect 5,000 campaign or playlist medals.

Planting A Flag

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

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.

Tempered Blade

Win 10 multiplayer games.

Airborne

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

Mystery Achievement

Inscrutable. Mysterious.

Megg

Halo CE: It's a sign.

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

T-Rex

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

Thirsty Grunt

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

Skulltaker Halo: CE: Grunt Birthday Party

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

No Smoking

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

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Skulltaker Halo: CE: Pinata

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

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.

A Heap of Medals

Collect 4,000 campaign or playlist medals.

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Wraith Hunter

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

Were It So Easy

Kill 1000 Elites.

Beachhead

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

All According to Plan...

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

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

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.

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Pillar of Awesome

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

Skulltaker Halo: CE: Black Eye

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

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

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.

Before and After

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

Hitchhikers May Be Escaping Convicts

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

A Crate of Medals

Collect 3,000 campaign or playlist medals.

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.

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.

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

Skulltaker Halo: CE: Famine

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

Hunters Hunted

Kill 50 Hunters.

No-Fly Zone

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

Skulltaker Halo: CE: Boom

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

Skulltaker Halo: CE: Mythic

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

Skulltaker Halo: CE: Iron

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

The Maw

Halo CE: Complete The Maw.

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.

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.

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Zombie Repeller

Kill 1000 Flood.

He's Unstoppable

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

Keyes

Halo CE: Complete Keyes.

Scurty Bump

Halo CE: Beat the par time on Keyes.

Two Betrayals

Halo CE: Complete Two Betrayals.

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

A Pile of Medals

Collect 2,000 campaign or playlist medals.

The Library

Halo CE: Complete The Library.

TLDR

Halo CE: Beat the par time on The Library.

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

Lightning in a Bottle

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

Delicious Brains

Kill 100 Flood.

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Would It've Killed You To Take The Elevator

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

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Hit The Beach

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

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

You Can't Handle the Truth

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

Close Quarters Combat

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

Flyover Country

Halo CE: Beat the par time on Halo.

Skulltaker Halo: CE: Foreign

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

Aim for the Head

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

Foe Hammer

Kill 5,000 enemies or players.

Splinters

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

Gruntageddon

Kill 1000 Grunts.

Halo

Halo CE: Complete Halo.

Didn't Like This Ship Anyways

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

The Guardians Are Coming

Get killed by the Guardians.

All Out of Bubblegum

Collect 1,000 unique campaign or playlist medals.

Can't Keep Him Down

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

Siege of Ivory Tower

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

Back At It

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

Cold Fusion

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

Coastal Highway

H3: ODST: Complete Coastal Highway.

Tayari Plaza

H3: ODST: Complete Tayari Plaza.

Two Places, Same Time

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

Junior Detective

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

Double Down

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

Decorated Warrior

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

Stick With It

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

Back In The Day

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

Exodus

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

Feet First

Halo 4: Complete all Spartan Ops chapters.

Term of Enlistment

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

Hazard Pay

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

Icarus

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

Smooth Operator

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

Key

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

Expendable

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

Game On

Complete 50 missions or multiplayer games.

Invasion

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

Scattered

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

Memento Mori

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

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.

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

Chest of Gold