Achievement Unlocked Visibility Global Unlocks
One For the Record Books
Halo: Reach: Beat the par time on New Alexandria. 		2.3%
Speedy Delivery
Halo: Reach: Beat the par time on The Package. 		3.8%
Wait, How'd the Ship Get Down Here?
Halo: Reach: Beat the par time on The Pillar of Autumn. 		2.1%
Fast Fall
Halo: Reach: Beat par time on all Halo: Reach levels. 		1.2%
Ice In Your Veins
Halo: Reach: Beat the par score on Winter Contingency. 		7.8%
Still Sharp
Halo: Reach: Beat the par score on ONI: Sword Base. 		11.4%
Bake That Cake
Halo: Reach: Beat the par score on Tip of the Spear. 		4.8%
Insomnia
Halo: Reach: Beat the par score on Long Night of Solace. 		8.9%
Parting the Sea
Halo: Reach: Beat the par score on Exodus. 		3.6%
Nine Lives Are a Myth
Halo: Reach: Beat the par score on New Alexandria. 		10.4%
How Did I Lose All My Fingers?
Halo: Reach: Beat the par score on The Package. 		1.9%
Precious Cargo
Halo: Reach: Beat the par score on The Pillar of Autumn. 		9.8%
We'll Be Back
Halo: Reach: Beat the par score on every Halo: Reach level. 		1.3%
T'vaoan Terminator
Halo: Reach: Kill 100 Skirmishers. 		15.5%
Chol Von's Not Gonna Like This
Halo: Reach: Kill 1000 Skirmishers. 		0.9%
Keep It Clean
Halo: Reach: Kill 7 Moa during Winter Contingency. 		4.6%
They've Always Been Faster
Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle. 		1.8%
Folks Need Heroes…
Halo: Reach: Complete every level of the game on Heroic difficulty. 		12.2%
Gods Must Be Strong
Halo: Reach: Complete every level of the game on Legendary difficulty. 		6.4%
A Monument To All Your Sins
Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself. 		3.2%
Winter Urgency
Halo: Reach: Beat the par time on Winter Contingency. 		2.9%
Just Like Storming a Castle
Halo: Reach: Beat the par time on ONI: Sword Base. 		1.5%
Wake Up Buttercup
Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace 		12.4%
Would It've Killed You To Take The Elevator
Halo CE: Beat the par time on Assault on the Control Room. 		1.3%
The Humble Beginnings of Wiljax Brantley
Halo: Reach: Now that's a value meal. 		22.1%
Did You Major in Marine Bio?
Halo: Reach: Encounter the hidden marines on Exodus. 		1.2%
Fly, You Fools!
Halo: Reach: Find the hidden Banshees on The Package. 		1.2%
This is Not the Greatest Lab in the World…
Halo: Reach: Find your way into Halsey's Lab on The Package. 		1.6%
Hey, You Dropped This
Halo: Reach: Find Data Pad on 1 Winter Contingency 		9.8%
Read Halsey's Journal
Halo: Reach: Find Data Pad 2 on ONI: Sword Base 		3.4%
Meeting of the (Artificial) Minds
Halo: Reach: Find Data Pad 3 on Nightfall 		3.7%
Minority Report
Halo: Reach: Find Data Pad 5 on Long Night Of Solace 		3.1%
Lightning in a Bottle
Halo CE: Beat the par time on 343 Guilty Spark. 		1.7%
Info Dump
Halo: Reach: Find Data Pad 6 on Exodus 		2.2%
Paper Trail
Halo: Reach: Find Data Pad 7 on New Alexandria 		1.6%
Terminal Conditions
Halo: Reach: Find Data Pad 8 on The Package 		2.3%
Unreliable Narrator
Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty 		2.7%
What Does It All Mean?
Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty 		1.8%
Unsolved Mysteries
Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty 		1.7%
Meddling and Madness
Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty 		2.2%
The Answer is Simple
Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty 		1.6%
Of Patience and Partiality
Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty 		1.5%
TLDR
Halo CE: Beat the par time on The Library. 		2.7%
Curious Composition
Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty 		1.5%
Silent Shepherds
Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty 		1.4%
Whistle Stop Tour
Halo CE: Beat the par time on Two Betrayals. 		1.1%
Scurty Bump
Halo CE: Beat the par time on Keyes. 		2.1%
Tank Beats Everything
Halo: Reach: Finish The Package on Legendary with the Scorpion intact. 		5.4%
All You Can Eat
Halo CE: Beat the par time on The Maw. 		1.3%
Swift and Shallow
Halo: Reach: Hijack a Banshee during the Reach Campaign. 		10.4%
Did Somebody Say...
Halo CE: Beat par time on all Halo: CE levels. 		1.0%
Forza in the Fall
Halo: Reach: Flip the switches to become a Reach Racer! 		1.1%
HBOrg Special
Halo: Reach: Party with the DJ Brute. 		2.5%
Pillar of Awesome
Halo CE: Beat the par score on The Pillar of Autumn. 		6.5%
Giant Hula Hoop
Halo CE: Beat the par score on Halo. 		3.4%
Play Us a Sad Song, Claude
Halo: Reach: Listen to a hidden music cue. 		1.7%
We're Gonna Need a Bigger Ship
Halo: Reach: Fly both the Pelican and Phantom on New Alexandria. 		1.5%
You Really Can't Handle the Truth
Halo CE: Beat the par score on The Truth and Reconciliation. 		4.2%
Assembled the Majority
Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty 		1.5%
Charted
Halo CE: Beat the par score on The Silent Cartographer. 		2.6%
Clear and Present Danger
Halo: Reach: Pad on the run. 		2.7%
Left Behind
Halo: Reach: Achieve a score of 30,000 points on Lone Wolf. 		0.9%
One Final Firefight
Halo: Reach: Achieve a score of 150,000 points on Lone Wolf. 		0.7%
What About Bob?
Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites. 		33.9%
Jorge Can't Have All the Big Guns
Halo: Reach: Use a Pelican turret. 		2.2%
Workers' Compensation
Halo: Reach: Splatter an enemy using the forklift. 		1.6%
Capacious Cartography
Halo: Reach: Create a custom map using Forge World. 		2.0%
Requiescat in Pace
Halo: Reach: Complete 10 assassinations on enemy players. 		7.1%
Vetro Strike
Halo CE: Beat the par score on Assault on the Control Room. 		3.9%
Yes No You Decide
Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty 		1.6%
Because It Wasn't Hard Enough
Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only). 		1.4%
Classic Completion
Halo: Reach: Complete Exodus without using any armor abilities. 		1.4%
Collection Eligibility Confirmed
Halo: Reach: See, he IS in the game! 		3.9%
Canonical Conundrum
Halo: Reach: Find all Data Pads. 		1.3%
Circuit Breaker
Halo CE: Beat the par score on 343 Guilty Spark. 		2.5%
Why Do This To Yourself?
Halo: Reach: Complete the Halo: Reach LASO Campaign playlist. 		0.6%
It Was Inevitable
Halo CE: Beat the par score on Two Betrayals. 		2.5%
Reach Has Been Good to Me
Halo: Reach: Complete a Halo: Reach playlist. 		2.7%
Headstrong
Halo CE: Beat the par score on Keyes. 		2.7%
Who Needs Red Flag?
Halo: Reach: Complete three Halo: Reach playlists. 		1.1%
Consumption Junction
Halo CE: Beat the par score on The Maw. 		2.1%
Keep Your Foot on the Pedrogas
Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours. 		0.9%
Overachiever
Halo CE: Beat the par score on all Halo: CE levels. 		0.9%
Arrival
Halo CE: Activate Terminal 1 on The Pillar of Autumn. 		6.7%
Sacrifice
Halo CE: Activate Terminal 2 on Halo. 		25.8%
Idle Hands
Halo CE: Activate Terminal 4 on The Silent Cartographer. 		17.3%
Flyover Country
Halo CE: Beat the par time on Halo. 		1.5%
You Can't Handle the Truth
Halo CE: Beat the par time on The Truth and Reconciliation. 		4.9%
Hit The Beach
Halo CE: Beat the par time on The Silent Cartographer. 		1.7%
Hitchhikers May Be Escaping Convicts
Halo CE: Activate Terminal 5 on Assault on the Control Room. 		7.2%
Skulltaker Halo: CE: Foreign
Halo CE: Find and claim the Foreign skull in remastered mode. 		6.8%
Skulltaker Halo: CE: Famine
Halo CE: Find and claim the Famine skull in remastered mode. 		6.5%
Skulltaker Halo: CE: Bandana
Halo CE: Find and claim the Bandanna skull in remastered mode. 		2.2%
Skulltaker Halo: CE: Fog
Halo CE: Find and claim the Fog skull in remastered mode. 		2.0%
Skulltaker Halo: CE: Malfunction
Halo CE: Find and claim the Malfunction skull in remastered mode. 		2.4%
Skulltaker Halo: CE: Recession
Halo CE: Find and claim the Recession skull in remastered mode. 		3.5%
Skulltaker Halo: CE: Black Eye
Halo CE: Find and claim the Black Eye skull in remastered mode. 		1.9%
Skulltaker Halo: CE: Eye Patch
Halo CE: Find and claim the Eye Patch skull in remastered mode. 		3.4%
Skulltaker Halo: CE: Pinata
Halo CE: Find and claim the Pinata skull in remastered mode. 		2.1%
Skulltaker Halo: CE: Grunt Birthday Party
Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode. 		2.2%
Bearly Contained
Halo CE: Activate Terminal 6 on 343 Guilty Spark. 		2.6%
Headhunter
Halo CE: Find and claim all Skulls in Halo: CE. 		1.5%
Believe in a Hero
Halo CE: Complete every level of the game on Heroic difficulty. 		9.5%
Living Legend
Halo CE: Complete every level of the game on Legendary difficulty. 		4.9%
Overshields are for Sissies
Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield. 		4.2%
Walk It Off
Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit. 		2.6%
How Pedestrian
Halo CE: Complete Halo without entering a vehicle. 		1.4%
That Just Happened
Halo CE: Complete The Library on Heroic or Legendary difficulty without dying. 		0.8%
Look Out for the Little Guys
Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts. 		0.7%
Leave It Where It Lay
Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon. 		0.8%
Quis custodiet ipsos custodes?
Halo CE: Activate Terminal 7 on The Library. 		3.4%
Tying Up Loose Ends
Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty. 		0.8%
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. 		10.9%
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. 		5.6%
Skulltaker Halo: CE: Mythic
Halo CE: Find and claim the Mythic skull in remastered mode. 		6.9%
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%
He's Unstoppable
Halo CE: Complete any level on Heroic difficulty or higher without taking health damage. 		12.3%
The Good, The Bad, and The Dead
Collect 9,000 campaign or playlist medals. 		8.0%
Goat Roped
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours. 		0.6%
Like a Fine Wine
Halo CE: Complete the Halo: CE LASO Campaign playlist. 		0.5%
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%
No Smoking
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe. 		1.7%
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. 		8.7%
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. 		7.1%
Leave None Alive
Halo 2: Beat the par score on The Oracle. 		3.2%
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%
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%
Arcade Owner
Halo 2: Beat the par score on every Halo 2 level. 		0.8%
Curious
Halo 2: Activate Terminal 1 on Cairo Station. 		4.2%
Examiner
Halo 2: Activate Terminal 3 on Metropolis. 		12.7%
YOLO Strats
Halo 2: Beat the par time on The Arbiter. 		2.4%
Reed the Strategy
Halo 2: Beat the par time on The Oracle. 		4.1%
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. 		1.4%
Hot Zone
Halo 2: Beat the par time on Quarantine Zone. 		1.8%
Force of Will
Halo 2: Beat the par time on Gravemind. 		1.1%
No Man's Land
Halo 2: Beat the par time on Uprising. 		3.2%
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. 		4.2%
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%
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. 		1.5%
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%
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%
Knowledgable
Halo 2: Activate Terminal 10 on Gravemind. 		7.0%
Reviewer
Halo 2: Activate Terminal 12 on High Charity. 		6.2%
Obsessed
Halo 2: Activate Terminal 13 on The Great Journey. 		8.3%
Walking Encyclopedia
Halo 2: Activate all Halo 2 Terminals. 		1.6%
Skulltaker Halo 2: That's Just…Wrong
Halo 2: Find and claim the That's Just...Wrong Skull on Legendary. 		1.7%
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%
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. 		1.3%
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. 		1.4%
Silent but Deadly
Halo 2: Kill 7 opponents from behind in a row without being spotted. 		7.6%
Toybox
Halo 2: Collect all eight Halo toys. 		1.1%
Grand Theft Halo
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents. 		0.9%
Legendary Anniversary
Halo 2: Complete every level of the game on Legendary difficulty. 		2.9%
Seconds
Halo 2: Complete a Halo 2 playlist. 		1.7%
Connoisseur
Halo 2: Complete three Halo 2 playlists. 		0.7%
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%
Cleansing
Halo 3: Complete Floodgate. 		23.4%
Refuge
Halo 3: Complete The Ark. 		22.3%
Last Stand
Halo 3: Complete The Covenant. 		21.2%
The Key
Halo 3: Complete Cortana. 		20.4%
Return
Halo 3: Complete Halo. 		20.6%
Speedy One One Seven
Halo 3: Beat the par time on Sierra 117. 		4.4%
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. 		10.8%
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%
Guerilla
Halo 3: Beat the par score on Sierra 117. 		8.3%
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%
Back At It
Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month. 		10.2%
Back for More
Halo 2: Complete the LASO campaign playlist. 		0.5%
Askar
Halo 3: Beat the par score on The Storm. 		6.9%
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. 		1.9%
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. 		5.7%
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. 		15.9%
With Your Shield or On It
Halo 3: Complete every level of the game on Heroic difficulty. 		8.4%
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%