Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Successfully Counter all of a Brute's Damage-Giving Attacks

Defeat 50 Enemies with Hand-to-Hand Combat

Kill 20 Enemies with Headshots

Find the Strange Relic

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the Desert-5

Kill 50 Enemies with the 92FS-9mm

Kill 50 Enemies by Melee-Attacking from Behind

Kill 50 Enemies with the M4

Defeat 50 Enemies with Hand-to-Hand Combat

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Normal Without Changing the Difficulty