Kill 75 Enemies in a Row Without Dying

Kill 30 Enemies with the KAL-7

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

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

Kill 30 Enemies with the G-MAL

Kill 5 Enemies in a Row with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 100 Enemies with Headshots

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

Kill 20 Enemies with Gunfire While Hanging

Kill 20 Enemies with Headshots