Kill 30 Enemies with Mk-NDI Grenades

Kill 50 Enemies with the FAL

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the MP40

Kill 100 Enemies with Headshots

Kill 50 Enemies with the Micro-9mm

Kill 50 Enemies with the AK-47

Kill 50 Enemies with the PM - 9m

Kill 5 Enemies in a Row with Headshots

Finish the game on any difficulty.

Fill all mutagen slots.

Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).