Complete a mission using only a pistol and no melee attacks.
Complete a mission without dying or loading a checkpoint.
Get kills using a pistol, rifle, submachine gun, and grenade in a mission without dying.
Complete the game on the hardest difficulty.
Complete the game.
Finish Berlin.
Finish Rocket.
Finish Hurtgen.
Complete the Russian missions.
Complete the British missions.
Complete the American missions.
Complete Training.
