Collect intel from the church and make it out alive

Hold off the Russian advance

Get 100 sniped headshots

Destroy the V2 Facility and escape to safety

Kill everyone in the convoy from ground level, except for Kreidl

Snipe an enemy through his eye

Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Use the Monkey Bomb. (Map Pack 3 only)

Activate the Fly Trap. (Map Pack 3 only)

Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Earn 75,000 points in a single Nazi Zombies game. (Map Pack 2 only)

Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)