Rescue all of the POWs in the game.
Complete the game on Black Ops difficulty.
Find all of the Secret Areas in the game.
Kill 40 enemies while in a vehicle.
Complete the game with at least one other player.
Complete the game on Suicide Mission difficulty.
Attain a 24X score multiplier on every level.
Get in the tank with two other players.
Kill 200 enemies.
Free 25 POWs.
Achieve the 12X score multiplier.
Achieve the 24X score multiplier.