Full list of all 86 Halo 4 achievements worth 2,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 49 achievements worth 1,000 Gamerscore, and there are 5 DLC packs containing 37 achievements worth 1,000 Gamerscore.
- The Legend of 117
Complete the Campaign on Legendary difficulty.
- Lone Wolf Legend
Complete the Campaign solo on Legendary difficulty.
Complete any Campaign mission with 3 or more Skulls on Heroic or harder.
Complete any Campaign mission cooperatively on Heroic or harder.
- Contact the Domain
Find a Terminal in the Campaign.
Find all of the Terminals in the Campaign.
- Digging up the Past
In mission 1, find and access Chief's record.
- Midnight Launch
In mission 2, get significant air in the Warthog at midnight.
- This is my Rifle, This is my Gun
In mission 3, carry a UNSC weapon all the way through on Heroic or harder.
- Bros to the Close
Complete mission 4 without one preventable Marine death on Heroic or harder.
In mission 5, steal a Wraith and use it to kill at least four enemy Wraiths on Heroic or harder.
- Explore the Floor
In mission 6, trick or force a Hunter to fall to his demise.
- Give Him the Stick
In Mission 7, in solo Campaign, take out both Hunters using only the Sticky Detonator.
- Chief, Smash!
In mission 8, kill 3 Crawlers in one hit with the Gravity Hammer.
- Not Some Recruit Anymore
Rank up your Spartan-IV to SR-5.
- Movin' On Up
Rank up your Spartan-IV to SR-20.
- I <3 Red vs Blue
Win 5 War Games matchmaking matches.
- Hanging on the Combat Deck
Win 20 War Games matchmaking matches.
- Operation Completion
Complete a Spartan Ops Mission on any difficulty.
- A Legendary Episode
Complete all chapters in Spartan Ops Episode 1 on Legendary difficulty.
- Dedicated to Crimson
Complete all chapters in any 5 episodes of Spartan Ops on any difficulty.
- Crimson Alone
Complete a Spartan Ops chapter solo on Legendary.
- Roses vs Violets
Find one of the RvB Easter Eggs in Episodes 1 to 5 of Spartan Ops.
- No One Left Behind
Save at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.
- Knight in White Assassination
Assassinate a Knight in any Spartan Ops mission.
- What Power Outage?
Complete 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 survive the enemy assault during the defense on Normal or harder.
- The Challenged
Complete a Challenge.
- The Challenger
Complete 25 Challenges.
Change your Spartan's armor in the Spartan Armor card.
Change your Emblem in the Spartan ID card.
Change your Service Tag in the Spartan ID card.
- What a Poser!
Change your Spartan's pose in the Spartan ID card.
- The Cartographer
Create and save a Custom Map in Forge.
- Game Changer
Create and save a Custom Game type in War Games.
Save a Screenshot from the Theater.
- The Director
Save a Film Clip from the Theater.
- Sharing is Caring
Upload a File to your File Share.
Complete the Campaign cooperatively on Heroic or harder.
- Now they Fly?
In Crimson DLC matchmaking, get a kill while airborne in a Warthog.
- Size is Everything
In Crimson DLC matchmaking, kill 20 enemies with a detached Machine Gun Turret.
In Crimson DLC matchmaking, kill a player while airborne from a Man Cannon.
In Crimson DLC matchmaking, kill 20 enemies using the Mantis' stomp attack.
- David and Goliath
In Crimson DLC matchmaking, board an enemy Mantis.
- Pump Yer Brakes
In Crimson DLC matchmaking, score the killing blow on a Mantis.
- Clay Pigeon
In Crimson DLC matchmaking, shoot an enemy who’s airborne from a Man Cannon.
- Special Delivery
In Crimson DLC matchmaking, kill an enemy with melee when landing from a Man Cannon.
- Didn't See It Comin'
In Majestic DLC matchmaking, assassinate an enemy who's in zoom mode.
- Bird of Prey
In Majestic DLC matchmaking, perform 5 'airsassinations.'
- Bullet Sponge
In Majestic DLC matchmaking, get the 'Close Call' medal twice during one match.
- I See You!
In Majestic DLC matchmaking, kill 5 enemies while Promethean Vision is active.
- Clever Girl
In Majestic DLC matchmaking, kill 5 enemies while Active Camo is active.
- Flash of Light
In Majestic DLC matchmaking, get a Double Kill or higher with one Pulse Grenade.
- Last Man Grinning
In Majestic DLC matchmaking, get 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, call 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.
- What Is Yours Is Also Mine
In Castle DLC matchmaking, disable a vehicle and then hijack it.
- Dodge This!
In Castle DLC matchmaking, get two direct Spartan Laser kills in one match.
- Hello Nurse!
In Castle DLC matchmaking, heal a near-death teammate with Regen Field 5 times.
- That Won't Save You
In Castle DLC matchmaking, assassinate an enemy who is using a Hardlight Shield.
- Ashes to Ashes
In Castle DLC matchmaking, disintegrate 6 enemies using Forerunner weapons.
- Beating Up the Beat
In Castle DLC matchmaking, perform 5 melee kills in a single match.
- Sight Seeing
In Castle DLC matchmaking, complete a match in any mode for each Castle map.
In Castle DLC matchmaking, destroy 2 vehicles during a single game.
- Outta My Way!
In Castle DLC matchmaking, kill 5 enemies during a match by running them over.
- Protect This House
In matchmaking, assassinate the ball carrier within five meters of your own goal in Ricochet.
- Hat Trick
In matchmaking, score three times in one round of Ricochet.
- From Downtown
In matchmaking, score by throwing the ball from 30 meters in Ricochet.
- Repeat Survivor
In matchmaking, survive three vehicle explosions in a row with the Survivor package.
- Can’t Catch Me
In matchmaking, score a goal in Ricochet while taking damage with the Resistor active.
- Just a Scratch
In matchmaking, recover full shields from low health with both Resistor and Recharge active.
- Pitchin' a Tent
In matchmaking, effectively camp one location without dying for a full 60 seconds.
- One Man Army
In matchmaking, get four consecutive kills with the Rocket Launcher without dying.