Xbox 360 Action29 out of 69
Collect all animus data fragments.
Xbox 360 Action42 out of 79
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
Xbox 360 Strategy15 out of 58
Continue playing to unlock this secret achievement.
Xbox 360 Action55 out of 69
Noble 1 Earn a kill in a matchmade Rocket Race game.
Xbox 360 Action28 out of 44
Believe in a Hero
Complete every level of the game on Heroic difficulty.
Xbox 360 Puzzle2 out of 56
My First Theme
Place a Theme in your arcade
Xbox 360 Action29 out of 47
Campaign Complete Normal
Complete the Campaign on Normal difficulty.
Xbox 360 Adventure20 out of 20
When Pigs Fly
Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.
Xbox 360 Strategy5 out of 12
Defend a minimum of 5 attackers with one defender.
Xbox 36045 out of 75
The Eye of Magnus
Complete "The Eye of Magnus"
Xbox 360 Driving6 out of 15
Finish every level in Xbox LIVE
Xbox 360 Action4 out of 76
Finish a Juggernaut with a knife in Special Ops.
Xbox 360 Puzzle8 out of 50
Have a dog and a cat become best friends.
Xbox 360 Action42 out of 49
Win 50 times in a 1P vs. "Very Strong" CPU battle.