Follow Nicholai deeper underground.

Collect all weapons in the campaign.

Withstand the zombie siege.

Defeat two enemies with a single shot.

Defeat zombie Brad.

Defeat Nemesis on the rooftop.

Place all jewels in the clock tower monument.

Improve a weapon.

Destroy a Charlie Doll.

Escape from Jill's apartment building.

In multiplayer, defeat 3 enemies within one Vanguard usage 5 times.

Complete the mission "Inferno".

Complete the mission "Project: Resurrection".