Find your first Patient File.

Kill first minion.

Unlock first container.

First encounter with Pighead.

Complete the Tutorial

Find the passenger train car.

Kill 3 enemies using sniper scope while wearing the Gas mask and using the Night Vision goggles all at the same time.

Unlocked all Book of Fables entries in Episode 4.

Unlocked all Book of Fables entries in Episode 3.

Unlocked all Book of Fables entries in Episode 1.

Win All Matches in Showcase Mode.

Finish the story on at least Standard difficulty.

Finish the story on at least Hardcore difficulty.