Purchase three new techniques.

Earn 10 Platinum Medals. Must be earned in 10 different battles.

Engage Witch Time successfully 10 times.

Execute a Torture Attack.

Buy every weapon off the walls in a single Zombies game.

Use the Grim Reaper to destroy the MG emplacement.

Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

Win 15 Local matches against 3+ CPU players.

Create a new mission using the UGC level editor.

Return to the swamp blockade.

Defeat 25 enemies by throwing cars at them.

In Ascension, kill at least 5 zombies with 1 Gersh Device.