Achievement Unlocked Visibility Global Unlocks
A Fine Choice
Halo CE: Complete a Halo: CE playlist. 		1.9%
Memories
Halo CE: Activate Terminal 8 on Two Betrayals. 		7.0%
Mind Games
Halo CE: Activate Terminal 9 on Keyes. 		7.3%
Kilotons of Fun
Halo CE: Activate Terminal 10 on The Maw. 		10.8%
Dear Diary...
Halo CE: Activate all Halo: CE Terminals. 		1.9%
Skulltaker Halo: CE: Iron
Halo CE: Find and claim the Iron skull in remastered mode. 		5.5%
Skulltaker Halo: CE: Mythic
Halo CE: Find and claim the Mythic skull in remastered mode. 		6.8%
Skulltaker Halo: CE: Boom
Halo CE: Find and claim the Boom skull in remastered mode. 		3.3%
Excellent Taste
Halo CE: Complete three Halo: CE playlists. 		0.8%
Feet Firmly Planted
Halo CE: Complete a level without jumping. 		1.7%
Before and After
Halo CE: Complete every level of the game having seen it in both classic and remastered mode. 		9.8%
Standard Operating Brocedure
Complete any co-op level on Normal difficulty. 		40.1%
Brovershield
Complete any co-op level on Heroic difficulty. 		31.3%
He's Unstoppable
Halo CE: Complete any level on Heroic difficulty or higher without taking health damage. 		12.2%
The Good, The Bad, and The Dead
Collect 9,000 campaign or playlist medals. 		8.0%
A Day To Remember
Halo CE: Play Halo: CE on the 15th of any month. 		12.6%
Goat Roped
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours. 		0.5%
Cairo Station
Halo 2: Complete Cairo Station. 		30.9%
Outskirts
Halo 2: Complete Outskirts. 		28.8%
Like a Fine Wine
Halo CE: Complete the Halo: CE LASO Campaign playlist. 		0.5%
Metropolis
Halo 2: Complete Metropolis. 		27.6%
The Arbiter
Halo 2: Complete The Arbiter. 		26.1%
Oracle
Halo 2: Complete The Oracle. 		24.0%
Delta Halo
Halo 2: Complete Delta Halo. 		23.6%
Regret
Halo 2: Complete Regret. 		22.3%
Sacred Icon
Halo 2: Complete Sacred Icon. 		21.5%
Quarantine Zone
Halo 2: Complete Quarantine Zone. 		20.5%
Gravemind
Halo 2: Complete Gravemind. 		20.1%
Uprising
Halo 2: Complete Uprising. 		19.1%
High Charity
Halo 2: Complete High Charity. 		19.3%
You Are The Weapon
Halo CE: Kill a Hunter with one pistol round. 		13.9%
The Great Journey
Halo 2: Complete The Great Journey. 		19.1%
Don't Hangar Around
Halo 2: Beat the par time on Cairo Station. 		8.8%
Madrigal Debut
Halo CE: Trigger a hidden music cue in Halo: CE. 		1.3%
My Buddy Chips
Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom. 		46.3%
No Smoking
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe. 		1.6%
T-Rex
Halo CE: Find the hidden Rex sign on The Maw. 		1.2%
Thirsty Grunt
Halo CE: Listen to the Thirsty Grunt talk about his eating habits. 		2.1%
Megg
Halo CE: It's a sign. 		1.2%
Get Me Out of Here!
Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark. 		2.2%
Rooftop Runner
Halo 2: Beat the par time on Outskirts. 		3.4%
Feeling Charitable
Halo 2: Beat the par time on High Charity. 		8.6%
Are We There Yet?
Halo 2: Beat the par time on The Great Journey. 		1.6%
Going Nowhere Fast
Halo 2: Beat par time on all Halo 2 levels. 		0.9%
Bomb Squad
Halo 2: Beat the par score on Cairo Station. 		1.7%
Objective Secured
Halo 2: Beat the par score on Outskirts. 		7.0%
Ripple Fire
Halo 2: Beat the par score on Metropolis. 		20.2%
Heresy Will Not Stay My Feet
Halo 2: Beat the par score on The Arbiter. 		12.0%
Leave None Alive
Halo 2: Beat the par score on The Oracle. 		3.2%
Boundless
Halo 2: Beat the par score on Delta Halo. 		12.0%
Fists of Fury
Halo 2: Beat the par score on Regret. 		5.3%
Speeding Ticket
Halo 2: Beat the par time on Metropolis. 		4.0%
Guided Tour
Halo 2: Beat the par score on Sacred Icon. 		1.8%
The Doctor Is In
Halo 2: Beat the par score on Quarantine Zone. 		4.1%
Official Business
Halo 2: Beat the par score on Gravemind. 		3.5%
The Hype Is Real
Halo 2: Beat the par score on Uprising. 		1.5%
Scorched Earth
Halo 2: Beat the par score on High Charity. 		2.5%
Frequent Flyer Miles
Halo 2: Beat the par score on The Great Journey. 		9.0%
Arcade Owner
Halo 2: Beat the par score on every Halo 2 level. 		0.8%
Curious
Halo 2: Activate Terminal 1 on Cairo Station. 		4.1%
Inquisitive
Halo 2: Activate Terminal 2 on Outskirts. 		8.3%
Examiner
Halo 2: Activate Terminal 3 on Metropolis. 		12.6%
YOLO Strats
Halo 2: Beat the par time on The Arbiter. 		2.4%
Inspector
Halo 2: Activate Terminal 4 on The Arbiter. 		10.0%
Fascinated
Halo 2: Activate Terminal 5 on The Oracle. 		13.2%
Reed the Strategy
Halo 2: Beat the par time on The Oracle. 		4.0%
So You Don't Want the Tank?
Halo 2: Beat the par time on Delta Halo. 		1.8%
I Regret Nothing
Halo 2: Beat the par time on Regret. 		1.0%
Terminal Velocity
Halo 2: Beat the par time on Sacred Icon. 		1.3%
Hot Zone
Halo 2: Beat the par time on Quarantine Zone. 		1.8%
Force of Will
Halo 2: Beat the par time on Gravemind. 		1.0%
No Man's Land
Halo 2: Beat the par time on Uprising. 		3.2%
Enchanted
Halo 2: Activate Terminal 6 on Delta Halo. 		13.6%
Skulltaker Halo 2: Thunderstorm
Halo 2: Find and claim the Thunderstorm Skull on Legendary. 		1.7%
Skulltaker Halo 2: Blind
Halo 2: Find and claim the Blind Skull. 		4.1%
Skulltaker Halo 2: IWHBYD
Halo 2: Find and claim the IWHBYD Skull on Legendary. 		1.2%
Skulltaker Halo 2: Catch
Halo 2: Find and claim the Catch Skull on Legendary. 		1.4%
Skulltaker Halo 2: Grunt Birthday Party
Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary. 		1.5%
Skulltaker Halo 2: Famine
Halo 2: Find and claim the Famine Skull on Legendary. 		1.5%
Skulltaker Halo 2: Envy
Halo 2: Find and claim the Envy Skull on Legendary. 		1.4%
Skulltaker Halo 2: Assassins
Halo 2: Find and claim the Assassins Skull on Legendary. 		1.4%
Skulltaker Halo 2: Mythic
Halo 2: Find and claim the Mythic Skull on Legendary. 		1.2%
Skulltaker Halo 2: Sputnik
Halo 2: Find and claim the Sputnik Skull on Legendary. 		1.3%
Enamored
Halo 2: Activate Terminal 7 on Regret. 		8.8%
Skulltaker Halo 2: Anger
Halo 2: Find and claim the Anger Skull on Legendary. 		1.3%
Skulltaker Halo 2: Ghost
Halo 2: Find and claim the Ghost Skull on Legendary. 		1.1%
Skulltaker Halo 2: Iron
Halo 2: Find and claim the Iron Skull on Legendary. 		1.9%
Skulltaker Halo 2: Black Eye
Halo 2: Find and claim the Black Eye Skull on Legendary. 		1.2%
Trophy Collector
Halo 2: Find and claim all Skulls in Halo 2. 		1.0%
And So It Begins...
Halo 2: Collect the Master Chief toy in Delta Halo. 		1.5%
Regrettable Turn of Events
Halo 2: Collect the Prophet of Regret toy in Regret. 		1.4%
The Will of the Prophets
Halo 2: Collect the Arbiter toy in Sacred Icon. 		1.3%
Chieftain of the Brutes
Halo 2: Collect the Tartarus toy in Quarantine Zone. 		1.2%
Determined
Halo 2: Activate Terminal 8 on Sacred Icon. 		3.5%
Don't Make a Girl a Promise
Halo 2: Collect the Cortana toy in Gravemind. 		1.6%
My Work is Done
Halo 2: Collect the Librarian toy in Uprising. 		1.2%
Delighted
Halo 2: Activate Terminal 9 on Quarantine Zone. 		13.2%
Knowledgable
Halo 2: Activate Terminal 10 on Gravemind. 		7.0%
Scholar
Halo 2: Activate Terminal 11 on Uprising. 		10.5%
Reviewer
Halo 2: Activate Terminal 12 on High Charity. 		6.1%
Obsessed
Halo 2: Activate Terminal 13 on The Great Journey. 		8.2%
Walking Encyclopedia
Halo 2: Activate all Halo 2 Terminals. 		1.5%
Skulltaker Halo 2: That's Just…Wrong
Halo 2: Find and claim the That's Just...Wrong Skull on Legendary. 		1.6%
I Like Crazy
Halo 2: Collect the Rampant Cortana toy in High Charity. 		1.6%
Cowardly Grunt
Halo 2: Listen to the Cowardly Grunt's woes. 		2.7%
Siege of Ivory Tower
Halo 2: Listen to a hidden music cue in Halo 2. 		3.5%
THE Chips Dubbo?
Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words. 		32.9%
Rex Sword
Halo 2: Grab the energy sword on the level Outskirts. 		2.3%
10 Minutes Too Early
Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it. 		1.0%
HI BEN
Halo 2: Oh, hi! 		1.1%
Animal Habitat
Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer. 		1.3%
Sid Graffiti
Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer. 		1.1%
E E E
Halo 2: View both signs in the level Metropolis. 		1.7%
Why So Serious
Halo 2: View the smiling face in the classic multiplayer map Coagulation. 		1.1%
Pyrrhic Solution
Halo 2: Collect the Didact toy in The Great Journey. 		1.2%
Why Am I Here?
Halo 2: View this hidden message on the classic Beaver Creek map. 		1.2%
GOOOAAAAALLLL!
Halo 2: Shoot the soccer ball in the level Metropolis. 		1.5%
Needs More Whammy Bar
Halo 2: Complete the level Regret with the Prophet Birthday Skull activated. 		3.4%
Like Peanut Butter and Chocolate
Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active. 		2.2%
Starved For Shields
Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary. 		0.8%
Commuter
Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary. 		1.7%
He Never Gets Me Anything
Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary. 		2.2%
Scarab Lord
Halo 2: Acquire the Scarab Gun. 		1.3%
Silent but Deadly
Halo 2: Kill 7 opponents from behind in a row without being spotted. 		7.6%
Demon
Halo 2: Complete any campaign level without dying on Normal or harder. 		14.4%
Toybox
Halo 2: Collect all eight Halo toys. 		1.1%
Go Ape Shiv
Halo 2: Kill an enraged, berserk Brute using melee. 		22.7%
Grand Theft Halo
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents. 		0.9%
Warrior
Halo 2: Complete every level of the game on Normal difficulty. 		14.3%
Hero
Halo 2: Complete every level of the game on Heroic difficulty. 		6.3%
Legendary Anniversary
Halo 2: Complete every level of the game on Legendary difficulty. 		2.9%
Seconds
Halo 2: Complete a Halo 2 playlist. 		1.6%
Connoisseur
Halo 2: Complete three Halo 2 playlists. 		0.7%
Six Pedals, Four Directions
Halo 2: Drive a Scorpion while playing as the Arbiter. 		18.0%
Betcha can't stick it...
Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts. 		1.9%
Tour of Duty
Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps. 		3.9%
Monopolized
Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours. 		0.5%
Landfall
Halo 3: Complete Sierra 117. 		28.6%
Holdout
Halo 3: Complete Crow's Nest. 		26.3%
The Road
Halo 3: Complete Tsavo Highway. 		24.9%
Assault
Halo 3: Complete The Storm. 		24.0%
Cleansing
Halo 3: Complete Floodgate. 		23.3%
Refuge
Halo 3: Complete The Ark. 		22.1%
Last Stand
Halo 3: Complete The Covenant. 		21.0%
The Key
Halo 3: Complete Cortana. 		20.3%
Return
Halo 3: Complete Halo. 		20.5%
Double Down
Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals. 		9.9%
Speedy One One Seven
Halo 3: Beat the par time on Sierra 117. 		4.3%
Time Shift
Halo 3: Beat the par time on Crow's Nest. 		3.1%
Highway Robbery
Halo 3: Beat the par time on Tsavo Highway. 		10.7%
Lightning Strike
Halo 3: Beat the par time on The Storm. 		2.6%
Dambuster
Halo 3: Beat the par time on Floodgate. 		11.9%
Waypoint
Halo 3: Beat the par time on The Ark. 		1.3%
Scarab Slide
Halo 3: Beat the par time on The Covenant. 		1.2%
Making History
Halo 3: Beat the par time on Cortana. 		1.9%
Go, Chief! Gun It!
Halo 3: Beat the par time on Halo. 		3.9%
Speed Demon
Halo 3: Beat the par time on all Halo 3 levels. 		1.0%
Warden
Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player. 		12.1%
Guerilla
Halo 3: Beat the par score on Sierra 117. 		8.2%
Cavalier
Halo 3: Beat the par score on Tsavo Highway. 		7.4%
Blown Out of the Sky
Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher. 		2.7%
Decorated Warrior
Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game. 		11.6%
Ninja Redux
Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking. 		3.5%
Flaming Ninja Anniversary
Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking. 		14.4%
Legend Slayer
Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement. 		12.6%
Back At It
Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month. 		10.1%
Back for More
Halo 2: Complete the LASO campaign playlist. 		0.5%
Askar
Halo 3: Beat the par score on The Storm. 		6.8%
Tipping Point
Halo 3: Activate Terminal 4 on The Covenant. 		3.4%
Unto Dust
Halo 3: Activate Terminal 5 on The Covenant. 		2.2%
Babbling Dead
Halo 3: Activate Terminal 6 on The Covenant. 		2.3%
Sword and Shield
Halo 3: Activate Terminal 7 on Halo. 		4.4%
The Coin's Fault
Halo 3: Activate Cortana's Terminal on Cortana. 		4.3%
Whispers Across the Galaxy
Halo 3: View the communique from Mendicant Bias. 		1.8%
Skulltaker Halo 3: Iron
Halo 3: Find and claim the Iron Skull on Normal or harder. 		5.9%
Skulltaker Halo 3: Black Eye
Halo 3: Find and claim the Black Eye Skull on Normal or harder. 		7.3%
Skulltaker Halo 3: Tough Luck
Halo 3: Find and claim the Tough Luck Skull on Normal or harder. 		4.4%
Skulltaker Halo 3: Catch
Halo 3: Find and claim the Catch Skull on Normal or harder. 		2.8%
Exterminator
Halo 3: Beat the par score on Floodgate. 		5.6%
Skulltaker Halo 3: Fog
Halo 3: Find and claim the Fog Skull on Normal or harder. 		4.0%
Skulltaker Halo 3: Famine
Halo 3: Find and claim the Famine Skull on Normal or harder. 		3.4%
Skulltaker Halo 3: Thunderstorm
Halo 3: Find and claim the Thunderstorm Skull on Normal or harder. 		4.3%
Skulltaker Halo 3: Tilt
Halo 3: Find and claim the Tilt Skull on Normal or harder. 		2.9%
Skulltaker Halo 3: Mythic
Halo 3: Find and claim the Mythic Skull on Normal or harder. 		6.1%
Prophet's Bane
Halo 3: Complete every level of the game on Normal difficulty. 		15.8%
With Your Shield or On It
Halo 3: Complete every level of the game on Heroic difficulty. 		8.3%
Finished the Fight
Halo 3: Complete every level of the game on Legendary difficulty. 		4.8%
Begins with a Single Step
Halo 3: On Tsavo Highway, complete the level without entering a vehicle. 		1.6%
Who Needs Them?
Halo 3: On The Ark, complete the level without entering a vehicle on Legendary. 		1.0%
Ranger
Halo 3: Beat the par score on The Ark. 		9.1%
Phantom Hunter
Halo 3: Destroy 3 total Phantoms on The Covenant. 		3.8%
Annual
Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts. 		0.6%
Vanguard
Halo 3: Beat the par score on The Covenant. 		8.5%
Orpheus
Halo 3: Beat the par score on Cortana. 		3.4%
Torchbearer
Halo 3: Beat the par score on Halo. 		2.9%
Better With Age
Halo 3: Beat the par score on every Halo 3 level. 		1.5%
Rising Waters
Halo 3: Activate Terminal 1 on The Ark. 		6.2%
Inundation
Halo 3: Activate Terminal 2 on The Ark. 		3.0%
Dirge of Madrigal
Halo 3: Trigger the hidden music cue in Halo 3. 		1.5%
Before the Fire
Halo 3: Activate Terminal 3 on The Ark. 		2.7%