- Bite The Hand
Kill a 343 developer in matchmaking or someone who has this achievement.
- Goat Roped
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.
- Animal Habitat
Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.
- Sid Graffiti
Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.
- Why So Serious
Halo 2: View the smiling face in the classic multiplayer map Coagulation.
- Why Am I Here?
Halo 2: View this hidden message on the classic Beaver Creek map.
- Grand Theft Halo
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.
- Tour of Duty
Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.
- Double Down
Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
- Blown Out of the Sky
Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.
- Decorated Warrior
Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
- Ninja Redux
Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.
- Flaming Ninja Anniversary
Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
- Legend Slayer
Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.
- Hippo Hero
Halo 3: Who DARED to discard this brave animal?
- Man on the Moon
Halo 3: He's watching you.
- Elder Signs
Halo 3: View 2 different sigils on Valhalla.
Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.
- You're Joking
Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.
- Destination Vacation
Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.
- Eminent Domain
Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.
- Game Master
Created and saved 5 Custom Game types.
- Gate Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.
- High Altitude Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.
- Invaders Repelled
Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.
- Master Forger
Created and saved 5 Custom Maps in Forge.
- Power Play
Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.
- Put Up Your Dukes
Halo 2A MP: Get 25 melee kills in multiplayer.
- Red vs. Blue
Halo 2A MP: Win 10 matches on Bloodline in multiplayer.
- Rule Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.
- Shields Up!
Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.
- Shook the Hornet's Nest
Halo 2A MP: Get 30 kills with the Hornet in multiplayer.
- Skeet Shooter
Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.
- Stayin' Alive
Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.
- The Goose is Loose
Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.
- Thirst Locked Down!
Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.
- Top Gungoose
Halo 2A MP: Get a kill with the Gungoose while airborne.
Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.
- Bloody Thirsty!
Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.
- Bombing Run
Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.
- Cold as Ice
Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.
- Cold Fusion
Halo 2A MP: Kill an opponent by detonating a Fusion Coil.
Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.
- Triple Threat
Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.
Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.
- Worship Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.
Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.
Halo 2A MP: Finished as the top player on the winning team in a matchmade game.