Complete the main storyline.

In Die Maschine, close the rift.

Interrogate Anders Hellman.

In Zombies, upgrade a skill.

Kill or incapacitate 3 enemies in quick succession with a revolver or pistol in close combat.

Embrace the power of the Old One

Slayer of Demon "Penetrator"

Slayer of the Demon "Old Hero"

Slayer of Demon "Maneater"

Slayer of the Demon "Dirty Colossus"

Complete 'Enter, Pursued by a Memory'.

Kill or incapacitate an enemy who threw a grenade at you.

Complete The Final Countdown in Campaign on any difficulty.