Combined Assault
You completed the game with at least one other player.
40 ✓ July 4th, 2008
Madman
You attained a 24X score multiplier on every level.
30 ✓ March 21st, 2010
Freedom
You freed 25 POWs.
25 ✓ June 25th, 2008
Reckless Driver
You killed 40 enemies while in a vehicle.
20 ✓ June 25th, 2008
Mercenary
You completed the game on Suicide Mission difficulty.
15 ✓ August 19th, 2008
Brasso
You achieved the 12X score multiplier.
10 ✓ June 25th, 2008
Hero
You achieved the 24X score multiplier.
10 ✓ June 25th, 2008
One Man Army
You killed 200 enemies.
7 ✓ June 25th, 2008
Veteran
You completed the game on Black Ops difficulty.
7 ✓ August 19th, 2008
Armored Attack
You got in the tank with two other players.
6 ✓ March 21st, 2010
Sleuth
You found all of the Secret Areas in the game.
20 
Humanitarian
You rescued all of the POWs in the game.
10