Find Rojas in the Favelas.

Knife an enemy without him ever knowing you were there 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.

Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Activate the Fly Trap. (Map Pack 3 only)

Open all doors in the map. (Map Pack 3 only)

Knock down 10 dismounted drivers

Play 30 matches

Take part in 250 races

Melee kill one enemy player

Capture five flags

Win once on every map as any team

Maintain maximum speed for 5 seconds in career mode