Xbox 360 Action4 out of 76
Finish a Juggernaut with a knife in Special Ops.
Xbox 360 Action47 out of 71
Quiet on the Set
In Call of the Dead, cut the lights on the Director.
Xbox 36020 out of 75
Hero of the People
Complete 50 Misc Objectives
Xbox 360 Action48 out of 82
All for One, One for All
Earn the Bronze "Force Multiplier" medal.
Xbox 360 Action60 out of 72
Atacama Desert Veteran
Successfully complete Atacama Desert in Onslaught mode on Hardcore difficulty
Xbox 360 Action60 out of 60
Win 10000 florins playing Hazard.
Xbox 360 Action49 out of 48
Complete the game on Zealot setting
Xbox 36055 out of 75
Safety Deposit Box
Trap Father Elijah in the Sierra Madre's Vault.
Xbox 360 Sports24 out of 24
Pick Up 6
Win a Fight for the Fumble in the end zone for a TD (no OTP)
Xbox 360 Action67 out of 67
Special 2 Complete the episode without reloading the game or restarting a checkpoint.
Xbox 360 Action48 out of 69
An Honor Serving
Reach the rank of Captain in the UNSC.
Xbox 360 Sports68 out of 68
Complete "The Corkscrew" Photo Challenge
Xbox 360 Action79 out of 79
Reach level 100 and win a match on each of the 4 Snowblind Map Pack maps (not Custom)
Xbox 360 Action11 out of 12
Climbing the Cog
Don't pull the lever just because you can