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

In Die Rise, kill 5 zombies with a single shot from the Sliquifier.

Find the Soviet connection in Laos.

In Buried, drop the beat on 10 zombies in one game.

Pounce on 10 enemies whilst controlling Riley

Complete every challenge and the final Ancestor encounter in Regular or Hardcore difficulty.

Break the siege in the battle of Khe Sanh.

Kill 20 enemies while linked to the Mobile Cover Drone.

In Mob of the Dead, use and upgrade all traps before round 10.

In Mob of the Dead, convert a weapon using a kit.

In Mob of the Dead, Brutus completes his patrol.

In Die Rise, revive yourself.

Escape Kowloon.