Change into 10 different pieces of clothing

Revive another player in Co-op mode

Create a combo weapon

Kill the Leviathan

Kill 30 enemies with the Ripper

Complete Chapter 5 on any difficulty setting

Own every Weapon in the game

While on defense, do not allow the attacking team to capture any of their objectives

Complete 15 tasks for Strangers.

You completed the mission "Roman's Sorrow".

You completed the mission "Uncle Vlad".

You have completed the first mission.

Finish the story on Medium difficulty level or higher.