Take down four opponents in a row without crashing.

Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Hold a stunt for 4 seconds.

Collide with the spectators.

Land on top of another player in an offline match.

Hold a stunt for 2 seconds.

Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Upgrade any weapon in Pack A Punch. (Map Pack 3 only)

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

Get a 20X Multiplier

Travel at incredible speed

Travel to an incredible height