Get in the tank with two other players.
Kill 200 enemies.
Veteran
7Complete the game on Black Ops difficulty.
Mercenary
15Complete the game on Suicide Mission difficulty.
Humanitarian
10Rescue all of the POWs in the game.
Sleuth
20Find all of the Secret Areas in the game.
Brasso
10Achieve the 12X score multiplier.
Hero
10Achieve the 24X score multiplier.
Freedom
25Free 25 POWs.
Madman
30Attain a 24X score multiplier on every level.
Complete the game with at least one other player.
Kill 40 enemies while in a vehicle.