Finish the Game on Normal Without Changing the Difficulty

Kill 20 Enemies with the Pistole

Kill 100 Enemies with Headshots

Kill 30 Enemies with the Wes-44

Kill 50 Enemies with the 92FS-9mm

Kill 30 Enemies with Mk-NDI Grenades

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Hard Without Changing the Difficulty

Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies with the M4

Defeat 250 Enemies with Headshots

Kill 3 Enemies with 1 Explosion