Life Story
Complete the Master Chief Saga playlist.
Just Getting Started
Kill 100 enemies or players.
Thanks A Killion
Kill 20,000 enemies or players.
Medal Completionist
Collect 10,000 campaign or playlist medals.
The Guardians Are Coming
Get killed by the Guardians.
Bite The Hand
Kill a 343 developer in matchmaking or someone who has this achievement.
Mystery Achievement
Inscrutable. Mysterious.
Where Am I?
Complete 10 missions or multiplayer games.
I Got This
Complete 100 missions or multiplayer games.
Tempered Blade
Win 10 multiplayer games.
Forged in Fire
Win 100 multiplayer games.
Sample Plate
Complete three cross-game playlists.
Balaho's Most Wanted
Kill 100 Grunts.
I Dabble in Slaying
Complete one cross-game playlist.
Stick With It...A Little Longer
Play a multiplayer or co-op game at least 3 months after your first game.
Veteran
Complete all campaigns on Normal difficulty.
War Hero
Complete all campaigns on Heroic difficulty.
Legend
Complete all campaigns on Legendary difficulty.
Lore Master
Activate all terminals.
Your Journey Begins
Complete a campaign mission or a match of multiplayer.
LASO Master
Complete each individual game specific LASO playlist for every Halo game.
Pillar of Autumn
Halo CE: Complete The Pillar of Autumn.
Halo
Halo CE: Complete Halo.
The One Percent
Kill 100 Elites.
Truth and Reconciliation
Halo CE: Complete The Truth and Reconciliation.
The Silent Cartographer
Halo CE: Complete The Silent Cartographer.
Spoilsport
Kill 100 Jackals.
Going Bananas
Kill 100 Brutes.
Hunters Hunted
Kill 50 Hunters.
Checkmate
Kill 100 Watchers.
I Was Wondering What Would Break First
Kill 100 Knights.
Pest Control
Kill 100 Crawlers.
Dirge of Madrigal
Halo 3: Trigger the hidden music cue in Halo 3.
Primate
Halo 3: Find your first missing links.
Man on the Moon
Halo 3: He's watching you.
Delicious Brains
Kill 100 Flood.
Zombie Repeller
Kill 1000 Flood.
Elder Signs
Halo 3: View 2 different sigils on Valhalla.
Third Time's A Charm
Halo 3: Play a game of Halo 3 on the 25th of any month.
Devastating
Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.
Dawn
Halo 4: Complete Dawn.
Requiem
Halo 4: Complete Requiem.
Forerunner
Halo 4: Complete Forerunner.
Infinity
Halo 4: Complete Infinity.
Haplorrhini
Halo 3: Find a lonely missing link.
Reclaimer
Halo 4: Complete Reclaimer.
Shutdown
Halo 4: Complete Shutdown.
Composer
Halo 4: Complete Composer.
Midnight
Halo 4: Complete Midnight.
Piece of Cake
Halo 4: Beat the par time on Dawn.
Interloper
Halo 4: Beat the par time on Requiem.
Raging in the Dark
Halo 4: Beat the par time on Forerunner.
Ouroboros
Halo 4: Beat the par time on Infinity.
Gimme That
Halo 4: Beat the par time on Reclaimer.
Shut. Down. Everything.
Halo 4: Beat the par time on Shutdown.
Can't Keep Him Down
Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Symphony of Pain
Halo 4: Beat the par time on Composer.
Countdown
Halo 4: Beat the par time on Midnight.
Flipyap
Halo 3: Listen to the tale of a young Grunt named Flipyap.
Heading to his Destiny
Halo 3: Destined for greatness.
Sounds Familiar
Halo 3: This stuff is your history!
Hippo Hero
Halo 3: Who DARED to discard this brave animal?
Milk Carton
Halo 3: Find the poster of the missing man.
Cool Story Bro
Halo 3: Listen to the story of the Final Grunt.
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.
War
Halo 4: Activate Terminal 1 on Requiem.
Lord of Admirals
Halo 4: Activate Terminal 2 on Forerunner.
Charum Hakkor
Halo 4: Activate Terminal 3 on Infinity.
Flood
Halo 4: Activate Terminal 4 on Reclaimer.
Knights
Halo 4: Activate Terminal 5 on Shutdown.
Justice
Halo 4: Activate Terminal 6 on Composer.
Cryptum
Halo 4: Activate Terminal 7 on Midnight.
Terminus
Halo 4: Activate all Halo 4 Terminals.
Wake Up, John
Halo 4: Complete every level of the game on Normal difficulty.
I Need a Hero
Halo 4: Complete every level of the game on Heroic difficulty.
Dark Fortress
Halo 4: Beat the par score on Requiem.
The Legend of 117
Halo 4: Complete every level of the game on Legendary difficulty.
Lone Wolf Legend
Halo 4: Complete every level of the game on Legendary difficulty, by yourself.
This is my Rifle, This is my Gun
Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.
Bros to the Close
Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.
Explore the Floor
Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.
Give Him the Stick
Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.
Chief, Smash!
Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.
You're No Chips
Halo 4: What do Marines know about sticks?
A Long Time Ago
Halo 4: Play a game of Halo 4 on the 6th of any month.
You're Joking
Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.
Shadow of Sundered Star
Halo 4: Beat the par score on Forerunner.
He's Running a Marathon...
Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.
Destination Vacation
Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.
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.
Tighten Up The Graphics
Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.
Mind the Gap
Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.
The Return of Megg
Halo 2: She's not picking up.
No-Fly Zone
Halo CE: Destroy three of the four Banshees on Halo during a single play-through.
Bro Hammer
Complete any co-op level on Legendary difficulty.
Digging up the Past
Halo 4: Access the Master Chief's records on Dawn.
Missing Link
Halo 3: Watching. Waiting. Plotting.
Eminent Domain
Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.
Game Master
Created and saved 5 Custom Game types.
Gate Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.
High Altitude Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.
Invaders Repelled
Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.
Back In The Day
Halo CE: Play a CTF custom game on Blood Gulch with 4 players. Tri-tip optional.
Master Forger
Created and saved 5 Custom Maps in Forge.
Power Play
Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.
Put Up Your Dukes
Halo 2A MP: Get 25 melee kills in multiplayer.
Red vs. Blue
Halo 2A MP: Win 10 matches on Bloodline in multiplayer.
Rule Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.
Shields Up!
Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.
Shook the Hornet's Nest
Halo 2A MP: Get 30 kills with the Hornet in multiplayer.
Skeet Shooter
Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.
Stayin' Alive
Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.
The Goose is Loose
Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.
Pacifist
Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.
Thirst Locked Down!
Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.
Top Gungoose
Halo 2A MP: Get a kill with the Gungoose while airborne.
Wraith Hunter
Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.
Close Quarters Combat
Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
This Side Up
Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.
Mortardom
Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.
All According to Plan...
Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.
Beachhead
Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
BLASTacular!
Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.
Bloody Thirsty!
Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.
Dirty Bird
Halo 2: Fly the Heretic Banshee.
A Preference for Pain
Halo 3: Complete the Halo 3 LASO Campaign playlist.
Aficiando
Halo 3: Complete three Halo 3 playlists.
Naked Tyrant
Halo 4: Complete the Halo 4 LASO Campaign playlist.
Devotee
Halo 4: Complete three Halo 4 playlists.
Throne of Bones
Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.
Boot Camp Hero
Halo 3: Complete a Halo 3 playlist.
A Pile of Medals
Collect 2,000 campaign or playlist medals.
A Crate of Medals
Collect 3,000 campaign or playlist medals.
A Heap of Medals
Collect 4,000 campaign or playlist medals.
Bombing Run
Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.
A Few Trinkets
Collect 5,000 campaign or playlist medals.
Chest of Gold
Halo 4: Complete a Halo 4 playlist.
Oh, These Baubles?
Collect 6,000 campaign or playlist medals.
Chesty Puller Starter Kit
Collect 7,000 campaign or playlist medals.
Medal Master Chief
Collect 8,000 campaign or playlist medals.
Contender
Win 50 multiplayer games.
In It To Win It
Win 200 multiplayer games.
Game On
Complete 50 missions or multiplayer games.
Bonus Level
Complete 200 missions or multiplayer games.
Sharpshooter
Win 150 multiplayer games.
Cold as Ice
Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.
Can't Put It Down
Complete 150 missions or multiplayer games.
Battle Hardened
Win 250 multiplayer games.
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.
Triple Threat
Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.
Wetwork
Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.
Worship Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.
Zealot
Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.
Up All Night
Complete 250 missions or multiplayer games.
Thermopylae
Win 300 multiplayer games.
The Long Haul
Complete 500 missions or multiplayer games.
Just A Taste
Collect 500 campaign or playlist medals.
All Out of Bubblegum
Collect 1,000 campaign or playlist medals.
Foe Hammer
Kill 5,000 enemies or players.
Gruntageddon
Kill 1000 Grunts.
Were It So Easy
Kill 1000 Elites.
Scavenger Hunt
Kill 1000 Jackals.
Dankey Kang
Kill 1000 Brutes.
Wyrmslayer
Kill 250 Hunters.
Remove the Bishops From the Board
Kill 1000 Watchers.
Can't Get Enough
Complete 300 missions or multiplayer games.
Knightbane
Kill 1000 Knights.
Dogcatcher
Kill 1000 Crawlers.
Greenhorn
Halo CE: Complete every level of the game on Easy difficulty.
Big Green Style
Halo 2: Complete every level of the game on Easy difficulty.
Training Wheels
Halo 3: Complete every level of the game on Easy difficulty.
Librarian's Gift
Halo 4: Complete every level of the game on Easy difficulty.
Herald of the Reclamation
Complete all campaigns on Easy difficulty.
King of the Crows
Halo 3: Beat the par score on Crow's Nest.
Witch Doctor
Halo 3: Find and claim all Skulls in Halo 3.
Skulltaker Halo 3: Blind
Halo 3: Find and claim the Blind Skull on Normal or harder.
Striking Fear in Their Hearts
Win 350 multiplayer games.
Skulltaker Halo 3: Grunt Birthday Party
Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.
Skulltaker Halo 3: Cowbell
Halo 3: Find and claim the Cowbell Skull on Normal or harder.
Committed
Complete 350 missions or multiplayer games.
Steady Aim
Win 400 multiplayer games.
Big Time Gamer
Complete 400 missions or multiplayer games.
Quick Trigger Finger
Win 450 multiplayer games.
Long Time Fan
Complete 450 missions or multiplayer games.
Multiplayer Champion
Win 500 multiplayer games.
Skulltaker Halo 3: IWHBYD
Halo 3: Find and claim the IWHBYD Skull on Normal or harder.
No Stone Unturned
Halo 3: Activate all Halo 3 Terminals.
Invasion
Halo 4: Complete all chapters in Spartan Ops Episode 7.
Expendable
Halo 4: Complete all chapters in Spartan Ops Episode 8.
Key
Halo 4: Complete all chapters in Spartan Ops Episode 9.
Exodus
Halo 4: Complete all chapters in Spartan Ops Episode 10.
Feet First
Halo 4: Complete all Spartan Ops chapters.
Term of Enlistment
Halo 4: Complete all Spartan Ops chapters on Normal difficulty.
Hazard Pay
Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.
Icarus
Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.
Smooth Operator
Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.
Roses vs Violets
Halo 4: Why are you even here?
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.
Operation Completion
Halo 4: Complete a Spartan Ops mission.
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.
Departure
Halo 4: Complete all chapters in Spartan Ops Episode 1.
Artifact
Halo 4: Complete all chapters in Spartan Ops Episode 2.
Catherine
Halo 4: Complete all chapters in Spartan Ops Episode 3.
Didact's Hand
Halo 4: Complete all chapters in Spartan Ops Episode 4.
Memento Mori
Halo 4: Complete all chapters in Spartan Ops Episode 5.
Scattered
Halo 4: Complete all chapters in Spartan Ops Episode 6.
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.
Heretic Skull
Halo 3: Find the hidden Skull on the Heretic multiplayer map.
Longshore Skull
Halo 3: Find the hidden Skull on the Longshore multilayer map.
Brainpan
Halo 3: Find all the hidden multiplayer Skulls.
Sightseeing
Halo CE: Complete a match on at least 8 different classic multiplayer maps.
Checking Out Your Options
Halo CE: Complete a match on at least 4 unique game types.
Tourist
Halo 2: Complete a match on at least 8 different classic multiplayer maps.
Window Shopping
Halo 2: Complete a match on at least 4 different game types in classic multiplayer.
World Traveler
Halo 3: Complete a match on at least 8 different multiplayer maps.
Just Browsing
Halo 3: Complete a match on at least 4 different game types in multiplayer.
Going International
Halo 4: Complete a match on at least 8 different multiplayer maps.
Roadkill Rampage
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.
Taste Test
Halo 4: Complete a match on at least 4 different game types in multiplayer.
Naughty Naughty
Kill 10 Engineers.
Well...Maybe One or Two
Kill 25 Engineers.
Listener
H3: ODST: Find the 1st Audio Log.
An Ear Full
H3: ODST: Find the 2nd Audio Log.
Tuned In
H3: ODST: Find the 3rd Audio Log.
Do Tell
H3: ODST: Find the 4th Audio Log.
Hear Me Out
H3: ODST: Find the 5th Audio Log.
Eavesdropping
H3: ODST: Find the 6th Audio Log.
Auditor
H3: ODST: Find the 7th Audio Log.
Rock and Coil Hit Back
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.
Overheard
H3: ODST: Find the 8th Audio Log.
Wiretapping
H3: ODST: Find the 9th Audio Log.
No Pain, No Gain
Complete 1 mission with the LASO playlist skulls enabled.
Airborne
Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.
Assembly Skull
Halo 3: Find the hidden Skull on the Assembly multiplayer map.
Orbital Skull
Halo 3: Find the hidden Skull on the Orbital multiplayer map.
Sandbox Skull
Halo 3: Find the hidden Skull on the Sandbox multiplayer map.
Citadel Skull
Halo 3: Find the hidden Skull on the Citadel multiplayer map.
Monitored
H3: ODST: Find the 10th Audio Log.
Hang Onto My Words
H3: ODST: Find the 11th Audio Log.
Observant
H3: ODST: Find the 20th Audio Log.
Scout
H3: ODST: Find the 21st Audio Log.
Adventurer
H3: ODST: Find the 22nd Audio Log.
Spotter
H3: ODST: Find the 23rd Audio Log.
Considerate
H3: ODST: Find the 24th Audio Log.
On Your Toes
H3: ODST: Find the 25th Audio Log.
Archivist
H3: ODST: Find the 26th Audio Log.
Your Attention Please
H3: ODST: Find the 27th Audio Log.
Catching On
H3: ODST: Find the 28th Audio Log.
Wisening Up
H3: ODST: Find the 29th Audio Log.
Give Heed
H3: ODST: Find the 12th Audio Log.
Audiophile
H3: ODST: Find the 30th Audio Log.
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.
Junior Detective
H3: ODST: Find the 1st clue to unraveling the mystery.
Investigator
H3: ODST: Find the 2nd clue to unraveling the mystery.
Gumshoe
H3: ODST: Find the 3rd clue unraveling the mystery.
Bloodhound
H3: ODST: Find the 4th clue unraveling the mystery.
Private Eye
H3: ODST: Find the 5th clue unraveling the mystery.
Get A Load
H3: ODST: Find the 13th Audio Log.
Secret Agent
H3: ODST: Find the 6th clue unraveling the mystery.
Record Store Owner
H3: ODST: Find all 30 Audio Logs.
Snoop Troop
H3: ODST: Find the 14th Audio Log.
All Ears
H3: ODST: Find the 15th Audio Log.
Ear Bender
H3: ODST: Find the 16th Audio Log.
Plugged In
H3: ODST: Find the 17th Audio Log.
Attentive
H3: ODST: Find the 18th Audio Log.
Watchful
H3: ODST: Find the 19th Audio Log.
Tayari Plaza
H3: ODST: Complete Tayari Plaza.
Uplift Reserve
H3: ODST: Complete Uplift Reserve.
An Artist's Canvas
H3: ODST: Beat the par time on Kizingo Blvd.
A Pleasant Trip
H3: ODST: Beat the par time on ONI Alpha Site.
First Stop: Anywhere But Here!
H3: ODST: Beat the par time on NMPD HQ.
Feet Don't Fail Me Now
H3: ODST: Beat the par time on Kikowani Station.
Overtaken By Events
H3: ODST: Beat the par time on Data Hive.
Double Time!
H3: ODST: Beat the par time on Coastal Highway.
Can't Stop Here, This is Brute Country
H3: ODST: Beat par time on all Halo 3: ODST levels.
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.
Kizingo Boulevard
H3: ODST: Complete 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.
ONI Alpha Site
H3: ODST: Complete ONI Alpha Site.
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.
NMPD HQ
H3: ODST: Complete NMPD HQ.
Kikowani Station
H3: ODST: Complete Kikowani Station.
Data Hive
H3: ODST: Complete Data Hive.
Coastal Highway
H3: ODST: Complete Coastal Highway.
Bill Past Due
H3: ODST: Beat the par time on Tayari Plaza.
Floor It!
H3: ODST: Beat the par time on Uplift Reserve.
One Got Away
H3: ODST: View the missing link.
Like a Broken Record
H3: ODST: Find a legendary hidden music cue.
Does Whatever a Spartan Can?
H3: ODST: Destroy a Wraith…with your bare hands.
Firefly
H3: ODST: Kill a Drone with a flame grenade on Data Hive.
"BLAM" Said The Lady!
H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.
One Way Ride
H3: ODST: Complete any level without using a health pack on Heroic or Legendary.
Just Sayin...I Ain't Dead
H3: ODST: Complete any level without dying on Heroic or Legendary.
Deference of Darkness
H3: ODST: Complete any level without activating VISR mode.
Those Left Behind
H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.
Shoot and Scoot
H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.
Fast and Low
H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.
Shiny...
H3: ODST: Pilot a Banshee on Kizingo Boulevard.
Vandalized
H3: ODST: Face it.
Bits and Pieces
H3: ODST: Destroy 5 Phantoms on NMPD HQ.
What About Those Tanks?
H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.
Two Places, Same Time
H3: ODST: I've got my eye on you, Marine.
Xenophobia
H3: ODST: Complete any level without using Covenant weapons.
Monumental Thirst!
H2A: Found and destroyed the BLAST soda can on Remnant..
We're Just Getting Started
Halo: Reach: Complete Winter Contingency.
No Picnic
Halo: Reach: Observe a grizzly scene on New Alexandria.
Protocol Dictates Action
Halo: Reach: Complete ONI: Sword Base.
I Need A Weapon
Halo: Reach: Complete Nightfall.
To War
Halo: Reach: Complete Tip of the Spear.
Saturday Morning Cartoon
H3: ODST: Is there a toy inside?
You Flew Pretty Good
Halo: Reach: Complete Long Night of Solace.
Into The Howling Dark
Halo: Reach: Complete Exodus.
Classic
H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.
Catch 'Em Napping
H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.
Strong, Silent Type
H3: ODST: Assassinate 3 Brutes in a row on Data Hive.
Bip! Bap! BAM!
H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Pineapple Express
H3: ODST: Kill 4 enemies with a single plasma or frag grenade.
Fowl Hunt
H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.
Assault on the Control Room
Halo CE: Complete Assault on the Control Room.
343 Guilty Spark
Halo CE: Complete 343 Guilty Spark.
Would It've Killed You To Take The Elevator
Halo CE: Beat the par time on Assault on the Control Room.
Lightning in a Bottle
Halo CE: Beat the par time on 343 Guilty Spark.
TLDR
Halo CE: Beat the par time on The Library.
Whistle Stop Tour
Halo CE: Beat the par time on Two Betrayals.
Scurty Bump
Halo CE: Beat the par time on Keyes.
All You Can Eat
Halo CE: Beat the par time on The Maw.
Did Somebody Say...
Halo CE: Beat par time on all Halo: CE levels.
Pillar of Awesome
Halo CE: Beat the par score on The Pillar of Autumn.
Giant Hula Hoop
Halo CE: Beat the par score on Halo.
You Really Can't Handle the Truth
Halo CE: Beat the par score on The Truth and Reconciliation.
The Library
Halo CE: Complete The Library.
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.
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.
Arrival
Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Sacrifice
Halo CE: Activate Terminal 2 on Halo.
Two Betrayals
Halo CE: Complete Two Betrayals.
Splinters
Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Idle Hands
Halo CE: Activate Terminal 4 on The Silent Cartographer.
Keyes
Halo CE: Complete Keyes.
The Maw
Halo CE: Complete The Maw.
Didn't Like This Ship Anyways
Halo CE: Beat the par time on The Pillar of Autumn.
Flyover Country
Halo CE: Beat the par time on Halo.
You Can't Handle the Truth
Halo CE: Beat the par time on The Truth and Reconciliation.
Hit The Beach
Halo CE: Beat the par time on The Silent Cartographer.
Dust And Echoes
Halo: Reach: Complete New Alexandria.
This Is Not Your Grave
Halo: Reach: Complete The Package.
Now Just You Gúta Minute
Halo: Reach: Beat the par time on Nightfall.
Generous Tipper
Halo: Reach: Beat the par time on Tip of the Spear.
Sabre Metrics
Halo: Reach: Beat the par time on Long Night of Solace.
Quicker Than Reading the Book
Halo: Reach: Beat the par time on Exodus.
One For the Record Books
Halo: Reach: Beat the par time on New Alexandria.
Speedy Delivery
Halo: Reach: Beat the par time on The Package.
Wait, How'd the Ship Get Down Here?
Halo: Reach: Beat the par time on The Pillar of Autumn.
Fast Fall
Halo: Reach: Beat par time on all Halo: Reach levels.
Ice In Your Veins
Halo: Reach: Beat the par score on Winter Contingency.
Still Sharp
Halo: Reach: Beat the par score on ONI: Sword Base.
Send Me Out... With A Bang
Halo: Reach: Complete The Pillar of Autumn.
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.
T'vaoan Terminator
Halo: Reach: Kill 100 Skirmishers.
Chol Von's Not Gonna Like This
Halo: Reach: Kill 1000 Skirmishers.
Welcome to Reach
Halo: Reach: Complete every level of the game on Easy difficulty.
Keep It Clean
Halo: Reach: Kill 7 Moa during Winter Contingency.
They've Always Been Faster
Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.
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.
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.
Front Page News
Halo: Reach: Find me in the club.
The Humble Beginnings of Wiljax Brantley
Halo: Reach: Now that's a value meal.
Did You Major in Marine Bio?
Halo: Reach: Encounter the hidden marines on Exodus.
Fly, You Fools!
Halo: Reach: Find the hidden Banshees on The Package.
This is Not the Greatest Lab in the World…
Halo: Reach: Find your way into Halsey's Lab on The Package.
Hey, You Dropped This
Halo: Reach: Find Data Pad on 1 Winter Contingency
Read Halsey's Journal
Halo: Reach: Find Data Pad 2 on ONI: Sword Base
Meeting of the (Artificial) Minds
Halo: Reach: Find Data Pad 3 on Nightfall
Rampant Speculation
Halo: Reach: Find Data Pad 4 on Tip Of The Spear
Minority Report
Halo: Reach: Find Data Pad 5 on Long Night Of Solace
Your Heresy Will Stay Your Feet
Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Info Dump
Halo: Reach: Find Data Pad 6 on Exodus
Paper Trail
Halo: Reach: Find Data Pad 7 on New Alexandria
Terminal Conditions
Halo: Reach: Find Data Pad 8 on The Package
Digital Destinies
Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn
Unreliable Narrator
Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty
What Does It All Mean?
Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty
Unsolved Mysteries
Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty
Meddling and Madness
Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty
The Answer is Simple
Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty
Of Patience and Partiality
Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty
I Didn't Train To Be A Pilot
Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.
Curious Composition
Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty
Silent Shepherds
Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty
Tank Beats Everything
Halo: Reach: Finish The Package on Legendary with the Scorpion intact.
Swift and Shallow
Halo: Reach: Hijack a Banshee during the Reach Campaign.
Forza in the Fall
Halo: Reach: Flip the switches to become a Reach Racer!
HBOrg Special
Halo: Reach: Party with the DJ Brute.
Play Us a Sad Song, Claude
Halo: Reach: Listen to a hidden music cue.
We're Gonna Need a Bigger Ship
Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.
Assembled the Majority
Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty
Yes No You Decide
Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty
Skunked
Halo: Reach: Won a matchmade game of Invasion in the 1st phase.
Clear and Present Danger
Halo: Reach: Pad on the run.
Left Behind
Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.
One Final Firefight
Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.
What About Bob?
Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.
Jorge Can't Have All the Big Guns
Halo: Reach: Use a Pelican turret.
I'm Sorry, Dave
Halo: Reach: Find the hidden binary signature.
Workers' Compensation
Halo: Reach: Splatter an enemy using the forklift.
Capacious Cartography
Halo: Reach: Create a custom map using Forge World.
Requiescat in Pace
Halo: Reach: Complete 10 assassinations on enemy players.
Canonical Conundrum
Halo: Reach: Find all Data Pads.
Run and Gunned
Halo: Reach: Headshot 10 enemies while they are sprinting.
Game Breaker
Halo: Reach: Kill 10 enemies while using a Jetpack.
Because It Wasn't Hard Enough
Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).
Classic Completion
Halo: Reach: Complete Exodus without using any armor abilities.
Confused Callouts
Halo: Reach: Trigger a humorous callout on your HUD's position indicator.
Collection Eligibility Confirmed
Halo: Reach: See, he IS in the game!
Mind the Skill Gap
Halo: Reach: Observe the logo of a buttoned-up mining company.
Easy to Overlook
Halo: Reach: Access hidden UNSC radio chatter.
New Ways to Save a Buck
Halo: Reach: Hear a familiar voice on New Alexandria.
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.
Remember Reach
Halo: Reach: Play a game of Halo: Reach on the 14th of any month.
Keep Your Foot on the Pedrogas
Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.
Enemies Everywhere!
Halo: Reach: Complete a Firefight set on Normal or Harder.
Negative, Ghostrider
Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.
Hitchhikers May Be Escaping Convicts
Halo CE: Activate Terminal 5 on Assault on the Control Room.
Bearly Contained
Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Skulltaker Halo: CE: Foreign
Halo CE: Find and claim the Foreign skull in remastered mode.
Skulltaker Halo: CE: Famine
Halo CE: Find and claim the Famine skull in remastered mode.
Skulltaker Halo: CE: Bandana
Halo CE: Find and claim the Bandanna skull in remastered mode.
Skulltaker Halo: CE: Fog
Halo CE: Find and claim the Fog skull in remastered mode.
Skulltaker Halo: CE: Malfunction
Halo CE: Find and claim the Malfunction skull in remastered mode.
Skulltaker Halo: CE: Recession
Halo CE: Find and claim the Recession skull in remastered mode.
Skulltaker Halo: CE: Black Eye
Halo CE: Find and claim the Black Eye skull in remastered mode.
Skulltaker Halo: CE: Eye Patch
Halo CE: Find and claim the Eye Patch skull in remastered mode.
Skulltaker Halo: CE: Pinata
Halo CE: Find and claim the Pinata skull in remastered mode.
Skulltaker Halo: CE: Grunt Birthday Party
Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Quis custodiet ipsos custodes?
Halo CE: Activate Terminal 7 on The Library.
Headhunter
Halo CE: Find and claim all Skulls in Halo: CE.
Birth of a Spartan
Halo CE: Complete every level of the game on Normal difficulty.
Believe in a Hero
Halo CE: Complete every level of the game on Heroic difficulty.
Living Legend
Halo CE: Complete every level of the game on Legendary difficulty.
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.
How Pedestrian
Halo CE: Complete Halo without entering a vehicle.
That Just Happened
Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.
Look Out for the Little Guys
Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.
Leave It Where It Lay
Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.
Memories
Halo CE: Activate Terminal 8 on Two Betrayals.
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.
Mind Games
Halo CE: Activate Terminal 9 on Keyes.
Kilotons of Fun
Halo CE: Activate Terminal 10 on The Maw.
Dear Diary...
Halo CE: Activate all Halo: CE Terminals.
Skulltaker Halo: CE: Iron
Halo CE: Find and claim the Iron skull in remastered mode.
Skulltaker Halo: CE: Mythic
Halo CE: Find and claim the Mythic skull in remastered mode.
Skulltaker Halo: CE: Boom
Halo CE: Find and claim the Boom skull in remastered mode.
Excellent Taste
Halo CE: Complete three Halo: CE playlists.
Like a Fine Wine
Halo CE: Complete the Halo: CE LASO Campaign playlist.
Feet Firmly Planted
Halo CE: Complete a level without jumping.
Before and After
Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
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.
The Good, The Bad, and The Dead
Collect 9,000 campaign or playlist medals.
A Day To Remember
Halo CE: Play Halo: CE on the 15th of any month.
Goat Roped
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.
Cairo Station
Halo 2: Complete Cairo Station.
Outskirts
Halo 2: Complete Outskirts.
You Are The Weapon
Halo CE: Kill a Hunter with one pistol round.
Metropolis
Halo 2: Complete Metropolis.
The Arbiter
Halo 2: Complete The Arbiter.
Oracle
Halo 2: Complete The Oracle.
Delta Halo
Halo 2: Complete Delta Halo.
Regret
Halo 2: Complete Regret.
Sacred Icon
Halo 2: Complete Sacred Icon.
Quarantine Zone
Halo 2: Complete Quarantine Zone.
Gravemind
Halo 2: Complete Gravemind.
Uprising
Halo 2: Complete Uprising.
High Charity
Halo 2: Complete High Charity.
Madrigal Debut
Halo CE: Trigger a hidden music cue in Halo: CE.
The Great Journey
Halo 2: Complete The Great Journey.
Don't Hangar Around
Halo 2: Beat the par time on Cairo Station.
My Buddy Chips
Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
No Smoking
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
T-Rex
Halo CE: Find the hidden Rex sign on The Maw.
Thirsty Grunt
Halo CE: Listen to the Thirsty Grunt talk about his eating habits.
Megg
Halo CE: It's a sign.
Get Me Out of Here!
Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.
Rooftop Runner
Halo 2: Beat the par time on Outskirts.
Speeding Ticket
Halo 2: Beat the par time on Metropolis.
Feeling Charitable
Halo 2: Beat the par time on High Charity.
Are We There Yet?
Halo 2: Beat the par time on The Great Journey.
Going Nowhere Fast
Halo 2: Beat par time on all Halo 2 levels.
Bomb Squad
Halo 2: Beat the par score on Cairo Station.
Objective Secured
Halo 2: Beat the par score on Outskirts.
Ripple Fire
Halo 2: Beat the par score on Metropolis.
Heresy Will Not Stay My Feet
Halo 2: Beat the par score on The Arbiter.
Leave None Alive
Halo 2: Beat the par score on The Oracle.
Boundless
Halo 2: Beat the par score on Delta Halo.
Fists of Fury
Halo 2: Beat the par score on Regret.
YOLO Strats
Halo 2: Beat the par time on The Arbiter.
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.
Curious
Halo 2: Activate Terminal 1 on Cairo Station.
Inquisitive
Halo 2: Activate Terminal 2 on Outskirts.
Examiner
Halo 2: Activate Terminal 3 on Metropolis.
Reed the Strategy
Halo 2: Beat the par time on The Oracle.
Inspector
Halo 2: Activate Terminal 4 on The Arbiter.
Fascinated
Halo 2: Activate Terminal 5 on The Oracle.
So You Don't Want the Tank?
Halo 2: Beat the par time on Delta Halo.
I Regret Nothing
Halo 2: Beat the par time on Regret.
Terminal Velocity
Halo 2: Beat the par time on Sacred Icon.
Hot Zone
Halo 2: Beat the par time on Quarantine Zone.
Force of Will
Halo 2: Beat the par time on Gravemind.
No Man's Land
Halo 2: Beat the par time on Uprising.
Enchanted
Halo 2: Activate Terminal 6 on Delta Halo.
Enamored
Halo 2: Activate Terminal 7 on Regret.
Skulltaker Halo 2: Thunderstorm
Halo 2: Find and claim the Thunderstorm Skull on Legendary.
Skulltaker Halo 2: Blind
Halo 2: Find and claim the Blind Skull.
Skulltaker Halo 2: IWHBYD
Halo 2: Find and claim the IWHBYD Skull on Legendary.
Skulltaker Halo 2: Catch
Halo 2: Find and claim the Catch Skull on Legendary.
Skulltaker Halo 2: Grunt Birthday Party
Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.
Skulltaker Halo 2: Famine
Halo 2: Find and claim the Famine Skull on Legendary.
Skulltaker Halo 2: Envy
Halo 2: Find and claim the Envy Skull on Legendary.
Skulltaker Halo 2: Assassins
Halo 2: Find and claim the Assassins Skull on Legendary.
Skulltaker Halo 2: Mythic
Halo 2: Find and claim the Mythic Skull on Legendary.
Skulltaker Halo 2: Sputnik
Halo 2: Find and claim the Sputnik Skull on Legendary.
Determined
Halo 2: Activate Terminal 8 on Sacred Icon.
Skulltaker Halo 2: Anger
Halo 2: Find and claim the Anger Skull on Legendary.
Skulltaker Halo 2: Ghost
Halo 2: Find and claim the Ghost Skull on Legendary.
Skulltaker Halo 2: Iron
Halo 2: Find and claim the Iron Skull on Legendary.
Skulltaker Halo 2: Black Eye
Halo 2: Find and claim the Black Eye Skull on Legendary.
Trophy Collector
Halo 2: Find and claim all Skulls in Halo 2.
And So It Begins...
Halo 2: Collect the Master Chief toy in Delta Halo.
Regrettable Turn of Events
Halo 2: Collect the Prophet of Regret toy in Regret.
The Will of the Prophets
Halo 2: Collect the Arbiter toy in Sacred Icon.
Chieftain of the Brutes
Halo 2: Collect the Tartarus toy in Quarantine Zone.
Delighted
Halo 2: Activate Terminal 9 on Quarantine Zone.
Don't Make a Girl a Promise
Halo 2: Collect the Cortana toy in Gravemind.
My Work is Done
Halo 2: Collect the Librarian toy in Uprising.
Knowledgable
Halo 2: Activate Terminal 10 on Gravemind.
Scholar
Halo 2: Activate Terminal 11 on Uprising.
Reviewer
Halo 2: Activate Terminal 12 on High Charity.
Obsessed
Halo 2: Activate Terminal 13 on The Great Journey.
Walking Encyclopedia
Halo 2: Activate all Halo 2 Terminals.
Skulltaker Halo 2: That's Just…Wrong
Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.
I Like Crazy
Halo 2: Collect the Rampant Cortana toy in High Charity.
Pyrrhic Solution
Halo 2: Collect the Didact toy in The Great Journey.
Cowardly Grunt
Halo 2: Listen to the Cowardly Grunt's woes.
Siege of Ivory Tower
Halo 2: Listen to a hidden music cue in Halo 2.
THE Chips Dubbo?
Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Rex Sword
Halo 2: Grab the energy sword on the level Outskirts.
10 Minutes Too Early
Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.
HI BEN
Halo 2: Oh, hi!
Animal Habitat
Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.
Sid Graffiti
Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.
E E E
Halo 2: View both signs in the level Metropolis.
Why So Serious
Halo 2: View the smiling face in the classic multiplayer map Coagulation.
Toybox
Halo 2: Collect all eight Halo toys.
Why Am I Here?
Halo 2: View this hidden message on the classic Beaver Creek map.
GOOOAAAAALLLL!
Halo 2: Shoot the soccer ball in the level Metropolis.
Needs More Whammy Bar
Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.
Like Peanut Butter and Chocolate
Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.
Starved For Shields
Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.
Commuter
Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.
He Never Gets Me Anything
Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.
Scarab Lord
Halo 2: Acquire the Scarab Gun.
Silent but Deadly
Halo 2: Kill 7 opponents from behind in a row without being spotted.
Demon
Halo 2: Complete any campaign level without dying on Normal or harder.
Warrior
Halo 2: Complete every level of the game on Normal difficulty.
Go Ape Shiv
Halo 2: Kill an enraged, berserk Brute using melee.
Grand Theft Halo
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.
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.
Six Pedals, Four Directions
Halo 2: Drive a Scorpion while playing as the Arbiter.
Betcha can't stick it...
Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.
Tour of Duty
Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.
Double Down
Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Monopolized
Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.
Landfall
Halo 3: Complete Sierra 117.
Holdout
Halo 3: Complete Crow's Nest.
The Road
Halo 3: Complete Tsavo Highway.
Assault
Halo 3: Complete The Storm.
Cleansing
Halo 3: Complete Floodgate.
Refuge
Halo 3: Complete The Ark.
Last Stand
Halo 3: Complete The Covenant.
The Key
Halo 3: Complete Cortana.
Return
Halo 3: Complete Halo.
Warden
Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
Speedy One One Seven
Halo 3: Beat the par time on Sierra 117.
Time Shift
Halo 3: Beat the par time on Crow's Nest.
Highway Robbery
Halo 3: Beat the par time on Tsavo Highway.
Lightning Strike
Halo 3: Beat the par time on The Storm.
Dambuster
Halo 3: Beat the par time on Floodgate.
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.
Blown Out of the Sky
Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.
Guerilla
Halo 3: Beat the par score on Sierra 117.
Cavalier
Halo 3: Beat the par score on Tsavo Highway.
Decorated Warrior
Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
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 At It
Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.
Back for More
Halo 2: Complete the LASO campaign playlist.
Askar
Halo 3: Beat the par score on The Storm.
Exterminator
Halo 3: Beat the par score on Floodgate.
Tipping Point
Halo 3: Activate Terminal 4 on The Covenant.
Unto Dust
Halo 3: Activate Terminal 5 on The Covenant.
Babbling Dead
Halo 3: Activate Terminal 6 on The Covenant.
Sword and Shield
Halo 3: Activate Terminal 7 on Halo.
The Coin's Fault
Halo 3: Activate Cortana's Terminal on Cortana.
Whispers Across the Galaxy
Halo 3: View the communique from Mendicant Bias.
Skulltaker Halo 3: Iron
Halo 3: Find and claim the Iron Skull on Normal or harder.
Skulltaker Halo 3: Black Eye
Halo 3: Find and claim the Black Eye Skull on Normal or harder.
Skulltaker Halo 3: Tough Luck
Halo 3: Find and claim the Tough Luck Skull on Normal or harder.
Skulltaker Halo 3: Catch
Halo 3: Find and claim the Catch Skull on Normal or harder.
Ranger
Halo 3: Beat the par score on The Ark.
Skulltaker Halo 3: Fog
Halo 3: Find and claim the Fog Skull on Normal or harder.
Skulltaker Halo 3: Famine
Halo 3: Find and claim the Famine Skull on Normal or harder.
Skulltaker Halo 3: Thunderstorm
Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.
Skulltaker Halo 3: Tilt
Halo 3: Find and claim the Tilt Skull on Normal or harder.
Skulltaker Halo 3: Mythic
Halo 3: Find and claim the Mythic Skull on Normal or harder.
Prophet's Bane
Halo 3: Complete every level of the game on Normal difficulty.
With Your Shield or On It
Halo 3: Complete every level of the game on Heroic difficulty.
Finished the Fight
Halo 3: Complete every level of the game on Legendary difficulty.
Begins with a Single Step
Halo 3: On Tsavo Highway, complete the level without entering a vehicle.
Who Needs Them?
Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.
Vanguard
Halo 3: Beat the par score on The Covenant.
Phantom Hunter
Halo 3: Destroy 3 total Phantoms on The Covenant.
Annual
Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.
Orpheus
Halo 3: Beat the par score on Cortana.
Torchbearer
Halo 3: Beat the par score on Halo.
Better With Age
Halo 3: Beat the par score on every Halo 3 level.
Rising Waters
Halo 3: Activate Terminal 1 on The Ark.
Inundation
Halo 3: Activate Terminal 2 on The Ark.
Before the Fire
Halo 3: Activate Terminal 3 on The Ark.