Defeat 100 enemies with headshots

Find ten treasures

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with hand-to-hand combat

First Mission has been compmeted. (Any difficulty level)

Repair 200 window boards in a single game. (Map Pack 2 only)

Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Burn an enemy out of a tree with the flamethrower in 'Hard Landing'.

Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun

Kill 3 Helghast at once using the surrounding environment

Kill 1000 Helghast soldiers

Kill 30 Helghast using the StA3 fixed gun emplacement