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