Get in the tank with two other players.

Kill 200 enemies.

Complete the game on Black Ops difficulty.

Complete the game on Suicide Mission difficulty.

Rescue all of the POWs in the game.

Find all of the Secret Areas in the game.

Achieve the 12X score multiplier.

Achieve the 24X score multiplier.

Free 25 POWs.

Attain a 24X score multiplier on every level.

Complete the game with at least one other player.

Kill 40 enemies while in a vehicle.