Byl zveřejňen oficiální seznam všech achievementů v Halo: Reach. Vše krásně přehledně na jednom obrázku:
Seznam všech achievementů (anglicky):
- Completed the Campaign on Normal difficulty.- Completed the Campaign on Heroic difficulty.
- Completed the Campaign on Legendary difficulty.
- Completed every mission in Halo: Reach alone, on Legendary.
- Completed the 2nd mission on Normal or harder.
- Completed the 3rd mission on Normal or harder.
- Completed the 4th mission on Normal or harder.
- Completed the 5th mission on Normal or harder.
- Completed the 6th mission on Normal or harder.
- Completed the 7th mission on Normal or harder.
- Completed the 8th mission on Normal or harder.
- Completed the 9th mission on Normal or harder.
- Completed the 10th mission on Normal or harder.
- Cleared the 2nd mission without setting foot in a drivable vehicle.
- Killed 2 vehicles at once with the Target Locator in the 3rd mission.
- Hijacked a Banshee during the Reach Campaign.- Killed the Elite Zealot before he escaped during the 5th mission.
- Performed an Assassination against an Elite to survive a fall that would've been fatal.
- Destroyed the Corvette's engines & escort in under 3 minutes in the 6th mission on Heroic or harder.
- Finished the 9th mission on Legendary with the Scorpion intact.- Earned a Triple Kill while Jetpacking in Campaign, Firefight or Matchmaking.
- Killed 7 Moa during the 2nd mission of the Campaign.- Killed 3 of the anti-aircraft batteries during the 8th mission.
- Used a Health Pack to replenish life after taking body damage.
- Performed an Assassination on an enemy.
- Killed 10 enemies in a Firefight or Campaign session with the M6G pistol.
- Killed 10 enemies in a Firefight or Campaign session with the DMR.- Traded weapons with an AI ally in Campaign.
- Killed 10 enemies in Firefight or Campaign with a supercombine explosion.
- Let a teammate spawn on you 5 times in an Invasion Matchmaking game.
- Earned a First Strike Medal in a Matchmaking game.- Won a game of Invasion in the 1st phase.
- Earned a Killing Spree in multiplayer Matchmaking.
- Earned a Killionaire medal in Firefight.
- As an Elite, killed 5 Spartan players in Matchmaking.
- Scored 15,000 points in Score Attack Firefight Matchmaking.
- Scored 50,000 points in a Firefight game.
- Scored 200,000 points in a Firefight game.
- Scored 1,000,000 points in a Firefight game.
- Completed a Firefight set on Legendary without dying.
- Purchased an item from the Armory that required the rank of Lt. Colonel.
- Reached the rank of Corporal in the UNSC.- Reached the rank of Captain in the UNSC.
- Used the File Browser to upload a file to your File Share.
- Completed all of the Daily Challenges in a given day.
- Purchased an item from the Armory.
- Recommended a file to someone.
- Advanced a Commendation to a Silver state.
- Completed a Weekly Challenge.