Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies with the M32-Hammer

Kill 50 Enemies by Melee-Attacking from Behind

Kill 50 Enemies with the M4

Kill 50 Enemies with the 92FS-9mm

Kill 20 Enemies with the Pistole

Kill 30 Enemies with the Wes-44

Kill 20 Enemies with Gunfire While Hanging

Kill 30 Enemies with Mk-NDI Grenades

Kill 5 Enemies in a Row with Headshots

Kill 20 Enemies with Headshots

Find 1 Treasure

Finish the Game on Easy Without Changing the Difficulty