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Secret Achievements (Show)
Halo 4 Achievements
Completed mission 1 on any difficulty.
Completed mission 2 on any difficulty.
Completed mission 3 on any difficulty.
Completed mission 4 on any difficulty.
Completed mission 5 on any difficulty.
Completed mission 6 on any difficulty.
Completed mission 7 on any difficulty.
Completed mission 8 on any difficulty.
Wake Up, John
Completed the Campaign on Normal or harder.
I Need a Hero
Completed the Campaign on Heroic or harder.
The Legend of 117
Completed the Campaign on Legendary difficulty.
Lone Wolf Legend
Completed the Campaign solo on Legendary difficulty.
Completed any Campaign mission with 3 or more Skulls on Heroic or harder.
Completed any Campaign mission cooperatively on Heroic or harder.
Contact the Domain
Found a Terminal in the Campaign.
Found all of the Terminals in the Campaign.
Digging up the Past
Found and accessed Chief's record in mission 1.
Got significant air in the Warthog at midnight in mission 2.
This is my Rifle, This is my Gun
Carried a UNSC weapon all the way through mission 3 on Heroic or harder.
Bros to the Close
Completed mission 4 without one preventable Marine death on Heroic or harder.
Stole a Wraith and used it to kill at least four enemy Wraiths in mission 5 on Heroic or harder.
Explore the Floor
Tricked or forced a Hunter to fall to his demise in mission 6.
Give Him the Stick
Took out both Hunters using only the Sticky Detonator in mission 7.
Killed 3 Crawlers in one hit with the Gravity Hammer in mission 8.
Not Some Recruit Anymore
Ranked up your Spartan-IV to SR-5.
Movin' On Up
Ranked up your Spartan-IV to SR-20.
I <3 Red vs Blue
Won 5 War Games matchmaking matches.
Hanging on the Combat Deck
Won 20 War Games matchmaking matches.
Completed a Spartan Ops Mission on any difficulty.
A Legendary Episode
Completed all chapters in Spartan Ops Episode 1 on Legendary difficulty.
Dedicated to Crimson
Completed all chapters in any 5 episodes of Spartan Ops on any difficulty.
Completed a Spartan Ops chapter solo on Legendary.
Roses vs Violets
Found one of the RvB Easter Eggs in Episodes 1 to 5 of Spartan Ops.
No One Left Behind
Saved at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.
Knight in White Assassination
Assassinated a Knight in any Spartan Ops mission.
What Power Outage?
Completed Chapter 4, Episode 5 of Spartan Ops without losing a generator on Heroic or harder.
No Easy Way Out
In Ch 1, Ep 5 of Spartan Ops survived the enemy assault during the defense on Normal or harder.
Completed a Challenge.
Completed 25 Challenges.
Changed your Spartan's armor in the Spartan Armor card.
Changed your Emblem in the Spartan ID card.
Changed your Service Tag in the Spartan ID card.
What a Poser!
Changed your Spartan's pose in the Spartan ID card.
Created and saved a Custom Map in Forge.
Created and saved a Custom Game type in War Games.
Saved a Screenshot from the Theater.
Saved a Film Clip from the Theater.
Sharing is Caring
Uploaded a File to your File Share.
Completed the Campaign cooperatively on Heroic or harder.
Crimson Map Pack DLC achievements
Now they Fly?
In Crimson DLC matchmaking, got a kill while airborne in a Warthog.
Size is Everything
In Crimson DLC matchmaking, killed 20 enemies with a detached Machine Gun Turret.
In Crimson DLC matchmaking, killed a player while airborne from a Man Cannon.
In Crimson DLC matchmaking, killed 20 enemies using the Mantis' stomp attack.
David and Goliath
In Crimson DLC matchmaking, boarded an enemy Mantis.
Pump Yer Brakes
In Crimson DLC matchmaking, scored the killing blow on a Mantis.
In Crimson DLC matchmaking, shot an enemy who’s airborne from a Man Cannon.
In Crimson DLC matchmaking, killed an enemy with melee when landing from a Man Cannon.
Majestic Map Pack DLC achievements
Didn't See It Comin'
In Majestic DLC matchmaking, assassinated an enemy who's in zoom mode.
Bird of Prey
In Majestic DLC matchmaking, performed 5 'airsassinations.'
In Majestic DLC matchmaking, got the 'Close Call' medal twice during one match.
I See You!
In Majestic DLC matchmaking, killed 5 enemies while Promethean Vision is active.
In Majestic DLC matchmaking, killed 5 enemies while Active Camo is active.
Flash of Light
In Majestic DLC matchmaking, got a Double Kill or higher with one Pulse Grenade.
Last Man Grinning
In Majestic DLC matchmaking, got 4 kills using the SAW without dying.
Pigs Can Fly
In Majestic DLC matchmaking, kill 3 enemies while they are using Jet Packs.
Callin' in the Big Guns
In Majestic DLC matchmaking, called in 3 ordnance drops during the same game.
I Thrust at Thee
In Majestic DLC matchmaking, perform a melee kill right after using Thrust Pack.
Castle Map Pack DLC achievements
What Is Yours Is Also Mine
In Castle DLC matchmaking, disabled a vehicle and then hijack it.
In Castle DLC matchmaking, got two direct Spartan Laser kills in one match.
In Castle DLC matchmaking, healed a near-death teammate with Regen Field 5 times.
That Won't Save You
In Castle DLC matchmaking, assassinated an enemy who is using a Hardlight Shield.
Ashes to Ashes
In Castle DLC matchmaking, disintegrated 6 enemies using Forerunner weapons.
Beating Up the Beat
In Castle DLC matchmaking, performed 5 melee kills in a single match.
In Castle DLC matchmaking, completed a match in any mode for each Castle map.
In Castle DLC matchmaking, destroyed 2 vehicles during a single game.
Outta My Way!
In Castle DLC matchmaking, killed 5 enemies during a match by running them over.
Champions Title Update DLC achievements
Protect This House
In matchmaking, assassinated the ball carrier within five meters of your own goal in Ricochet.
In matchmaking, scored three times in one round of Ricochet.
In matchmaking, scored by throwing the ball from 30 meters in Ricochet.
In matchmaking, survived three vehicle explosions in a row with the Survivor package.
Can’t Catch Me
In matchmaking, scored a goal in Ricochet while taking damage with the Resistor active.
Just a Scratch
In matchmaking, recovered full shields from low health with both Resistor and Recharge active.
Pitchin' a Tent
In matchmaking, effectively camped one location without dying for a full 60 seconds.
One Man Army
In matchmaking, got four consecutive kills with the Rocket Launcher without dying.
Bullseye Pack DLC achievements
In Bullseye DLC matchmaking, activated both electrical surge systems during a match on Vertigo.
In Bullseye DLC matchmaking, acquired the Rocket Launcher at the start of a match on Pitfall.