Halo: The Master Chief Collection achievements

7.90%

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.

8.11%

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

8.15%

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

8.15%

Medal Master Chief

Collect 8,000 campaign or playlist medals.

8.18%

Hero

Halo 2: Complete every level of the game on Heroic difficulty.

8.20%

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.

8.20%

Overheard

H3: ODST: Find the 8th Audio Log.

8.31%

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.

8.33%

Son of a Gun

H3: ODST: Beat the par score on Kizingo Blvd.

8.46%

Magic Touch

H3: ODST: Beat the par score on Data Hive.

8.67%

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.

8.80%

Up All Night

Complete 250 missions or multiplayer games.