Kill at least 3 enemies with a single shot from a grenade launcher.

In Shadows of Evil, kill 5 Parasites while riding on the train.

In Shadows of Evil, kill 10 zombies that are inside of a store in one game.

In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.

Modified a starfighter's preset loadout in multiplayer.

Discover all of the collectibles in the Campaign.

Run The Pit in 'S.S.D.D.' and finish with a final time under 30 seconds.

Complete all Special Operations missions.

Only use one cinder block and bring it to the end of 'Embedded'.

Complete 'Clean House' without being hit using one bullet per threat.

Kill an enemy with a direct hit from a smoke grenade.

Burn 4 enemies with a single molotov.

Kill 3 Enemies while you are on a ladder.