Kill 50 Enemies by Melee-Attacking from Behind

Kill 30 Enemies with the Arm Micro

Kill 10 Enemies in a Row, Alternating Hand-to-Hand Combat and Gunfire

Kill 4 Enemies with 1 Explosion

Finish the Game on Easy Without Changing the Difficulty

Defeat 10 Enemies with Thrown-Back Grenades

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

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

Explore Photo Mode

Kill 100 Enemies with Headshots

Kill 30 Enemies with the KAL-7

Kill 30 Enemies with the G-MAL

Defeat 50 Enemies with Hand-to-Hand Combat