Request Pierson to spot enemies 25 times.

Reach the sniper perch without being detected in Ambush.

Complete the game with Ferox

Complete Stronghold.

In The Final Reich, knock over 10 zombies with a Wüstling charge.

Save all humans on Decima

Clear the D.U.P. completely out of a district

Clear the D.U.P. out of the entire city

Collect half the Blast Shards

Complete all the Stencil Art

Stealth take-down 30 enemies

Complete Arcade mode without losing all lives, on Experienced difficulty

Practice self-control