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

Kill 30 Enemies with the M9

Kill 20 Enemies by Shooting from the Hip (without aiming)

Kill 100 Enemies with Headshots

Kill 50 Enemies by Melee-Attacking from Behind

Kill 30 Enemies with the G-MAL

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

Defeat 50 Enemies with Hand-to-Hand Combat

Defeat 20 Enemies with Hand-to-Hand Combat

Kill 5 Enemies with Brutal Combo

Kill 3 Enemies with 1 Explosion

Kill 50 Enemies with the PM - 9m

Finish the Game on Easy Without Changing the Difficulty