Halo: The Master Chief Collection achievements

38.36%

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

39.56%

Cairo Station

Halo 2: Complete Cairo Station.

39.75%

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

40.07%

Going Bananas

Kill 100 Brutes.

40.35%

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.

40.52%

Gruntageddon

Kill 1000 Grunts.

40.58%

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

40.97%

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.

40.97%

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

44.58%

Delicious Brains

Kill 100 Flood.

45.10%

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

45.14%

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.