Campaign: destroy 100 objects

Campaign: 50 kills with light machine guns

Campaign: find 5 collectable weapons

Campaign: 50 kills with assault rifles

Campaign: finish Operation Aurora

Strode into danger's den and paid the consequences.

Took the first steps toward challenging an unjust fate.

You completed a 500 foot wheelie on a motorbike.

Kill a Juggernaut in Special Ops.

Use a riot shield to beat down an enemy in Single Player or Special Ops.

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.

Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.