Xbox 360 Action24 out of 59
Master of Sword and Gun
Complete a Chapter of the single-player campaign using only the Bolt Pistol and Chainsword.
Xbox 360 Action39 out of 76
Finish a Juggernaut with a knife in Special Ops.
Xbox 360 Action29 out of 71
I hate monkeys
Kill 7 monkeys in under 10 seconds in the Rebirth labs.
Xbox 360 Action6 out of 60
Get 10 Headshot kills with the Sniper Rifle
Xbox 360 Action32 out of 82
Some Friendly Competition
Completed "RAAM's Shadow" in Arcade Campaign.
Xbox 360 Action25 out of 65
Survive a campaign without being incapacitated.
Xbox 360 Action47 out of 79
Be Careful What You Wish For
Reach level 8 in multiplayer and complete waves 1 - 10 on the War Machine map in Horde
Xbox 360 Action15 out of 63
Take down the jet in one attempt in Rock And A Hard Place
Xbox 360 Action8 out of 46
Fully upgrade one weapon
Xbox 360 Adventure6 out of 60
The Straight Dope
Use evidence to prove a lie as an LAPD Detective or Investigator.
Xbox 360 Action45 out of 60
Destroy 50% of the Electroflies in the Single Player Campaign
Xbox 360 Action25 out of 47
Continue playing to unlock this secret achievement.
Xbox 360 Action43 out of 50
Get 1000 support points
Xbox 360 Action49 out of 50
Earn all 3 stars in at least 15 different Special Op missions.