Halo 4 Achievements

Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
AchievementHow to unlock
Armorer(5)Changed your Spartan's armor in the Spartan Armor card.
Badge(5)Changed your Emblem in the Spartan ID card.
Game Changer(5)Created and saved a Custom Game type in War Games.
PWND(5)Changed your Service Tag in the Spartan ID card.
Sharing is Caring(5)Uploaded a File to your File Share.
Snapshot!(5)Saved a Screenshot from the Theater.
The Cartographer(5)Created and saved a Custom Map in Forge.
The Director(5)Saved a Film Clip from the Theater.
What a Poser!(5)Changed your Spartan's pose in the Spartan ID card.
Bropocalypse(10)Completed any Campaign mission cooperatively on Heroic or harder.
Composer(10)Completed mission 7 on any difficulty.
Contact the Domain(10)Found a Terminal in the Campaign.
Dawn(10)Completed mission 1 on any difficulty.
Forerunner(10)Completed mission 3 on any difficulty.
Infinity(10)Completed mission 4 on any difficulty.
Midnight(10)Completed mission 8 on any difficulty.
Reclaimer(10)Completed mission 5 on any difficulty.
Requiem(10)Completed mission 2 on any difficulty.
Shutdown(10)Completed mission 6 on any difficulty.
The Challenged(10)Completed a Challenge.
I <3 Red vs Blue(15)Won 5 War Games matchmaking matches.
Not Some Recruit Anymore(15)Ranked up your Spartan-IV to SR-5.
Operation Completion(15)Completed a Spartan Ops Mission on any difficulty.
Skullduggery(15)Completed any Campaign mission with 3 or more Skulls on Heroic or harder.
No One Left Behind(20)Saved at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.
Bros to the Close(20)Completed mission 4 without one preventable Marine death on Heroic or harder.
Chief, Smash!(20)Killed 3 Crawlers in one hit with the Gravity Hammer in mission 8.
Crimson Alone(20)Completed a Spartan Ops chapter solo on Legendary.
Digging up the Past(20)Found and accessed Chief's record in mission 1.
Explore the Floor(20)Tricked or forced a Hunter to fall to his demise in mission 6.
Give Him the Stick(20)Took out both Hunters using only the Sticky Detonator in mission 7.
Knight in White Assassination(20)Assassinated a Knight in any Spartan Ops mission.
Midnight Launch(20)Got significant air in the Warthog at midnight in mission 2.
Mortardom(20)Hijacked a Wraith and used it to kill at least four enemy Wraiths in mission 5 on Heroic or harder.
No Easy Way Out(20)In Ch 1, Ep 5 of Spartan Ops survived the enemy assault during the defense on Normal or harder.
Roses vs Violets(20)Found one of the RvB Easter Eggs in Spartan Ops.
The Challenger(20)Completed 25 Challenges.
This is my Rifle, This is my Gun(20)Carried a UNSC weapon all the way through mission 3 on Heroic or harder.
Wake Up, John(20)Completed the Campaign on Normal or harder.
What Power Outage?(20)Completed Chapter 4, Episode 5 of Spartan Ops without losing a generator on Heroic or harder.
Movin' On Up(25)Ranked up your Spartan-IV to SR-20.
Hanging on the Combat Deck(30)Won 20 War Games matchmaking matches.
A Legendary Episode(40)Completed all chapters in Spartan Ops Episode 1 on Legendary difficulty.
Bromageddon(40)Completed the Campaign cooperatively on Heroic or harder
I Need a Hero(40)Completed the Campaign on Heroic or harder.
Terminus(50)Found all of the Terminals in the Campaign.
The Legend of 117(70)Completed the Campaign on Legendary difficulty.
Dedicated to Crimson(80)Completed all chapters in the first 5 episodes of Spartan Ops on any difficulty.
Lone Wolf Legend(90)Completed the Campaign solo on Legendary difficulty.
DLC AchievementsCrimson Map Pack
Now They Fly?(50)Get a kill while airborne in a Warthog.
Size Is Everything(20)Kill 20 enemies with a detached Machine Gun Turret.
ODST(30)Kill a player while you're airborne from using a Man Cannon.
Bigfoot(20)Kill 20 enemies using the Mantis' stomp attack.
David and Goliath(20)Board an enemy Mantis.
Clay Pigeon(40)Shoot an enemy out of the air while they use the Man Cannon.
Special Delivery(30)Kill an enemy with a melee attack when landing from a Man Cannon.
Pump Yer Breaks(40)Score the killing blow on a Mantis.
DLC AchievementsMajestic Map Pack
Clever Girl(10)In Majestic DLC matchmaking, kill 5 enemies while Active Camo is active.
Didn't See It Comin'(10)In Majestic DLC matchmaking, assassinate an enemy who's in zoom mode.
I See You!(10)In Majestic DLC matchmaking, kill 5 enemies while Promethean Vision is active.
I Thrust at Thee(20)In Majestic DLC matchmaking, perform a melee kill right after using Thrust Pack.
Last Man Grinning(20)In Majestic DLC matchmaking, get 4 kills using the SAW without dying.
Bullet Sponge(30)In Majestic DLC matchmaking, get the 'Close Call' medal twice during one match.
Flash of Light(30)In Majestic DLC matchmaking, get a Double Kill or higher with one Pulse Grenade.
Pigs Can Fly(30)In Majestic DLC matchmaking, kill 3 enemies while they are using Jet Packs
Callin' in the Big Guns(40)In Majestic DLC matchmaking, call in 3 ordnance drops during the same game.
Bird of Prey(50)In Majestic DLC matchmaking, perform 5 'airsassinations.'
DLC AchievementsCastle Map Pack
Ashes to Ashes(10)In Castle DLC Matchmaking, disintegrate 6 enemies using Forerunner weapons.
Dodge This!(20)In Castle DLC Matchmaking, get two direct Spartan Laser kills in one match.
Sight Seeing(20)In Castle DLC Matchmaking, complete a match in any mode for each Castle map
Scrapyard(30)In Castle DLC Matchmaking, destroy 2 vehicles during a single game.
Beating up the Beat(30)In Castle DLC Matchmaking, perform 5 melee kills in a single match.
Hello Nurse!(30)In Castle DLC Matchmaking, heal a near-death teammate with Regen Field 5 times.
That Won't Save You(30)In Castle DLC Matchmaking, assassinate an enemy who is using a Hardlight Shield.
Outta My Way!(40)In Castle DLC Matchmaking, kill 5 enemies during a match by running them over.
What is Yours is Also Mine(40)In Castle DLC Matchmaking, disable a vehicle and then hijack it.
DLC AchievementsChampions Bundle
Shocking(10)In Bullseye DLC matchmaking, activate both electrical surge systems during a match on Vertigo.
Can’t Catch Me(20)In matchmaking, score a goal in Ricochet while taking damage with the Resistor active.
Got it!(20)In Bullseye DLC matchmaking, acquire the Rocket Launcher at the start of a match on Pitfall.
Just a Scratch(20)In matchmaking, recover full shields from low health with both Resistor and Recharge active.
From Downtown(25)In matchmaking, score by throwing the ball from 30 meters in Ricochet.
Repeat Survivor(25)In matchmaking, survive three vehicle explosions in a row with the Survivor package.
One Man Army(27)In matchmaking, get four consecutive kills with the Rocket Launcher without dying.
Protect This House(30)In matchmaking, assassinate the ball carrier within five meters of your own goal in Ricochet.
Hat Trick(33)In matchmaking, score three times in one round of Ricochet.
Pitchin' a Tent(40)In matchmaking, effectively camp one location without dying for a full 60 seconds.