Kill 50 Enemies with the Micro-9mm

Kill 20 Enemies with the Pistole

Kill 50 Enemies by Melee-Attacking from Behind

Kill 50 Enemies with the 92FS-9mm

Find 40 Treasures

Kill 30 Enemies with the Wes-44

Kill 30 Enemies with Mk-NDI Grenades

Kill 20 Enemies with Headshots

Kill 5 Enemies in a Row with Headshots

Explore Photo Mode

Defeat Koala Kong.

Finish the Game on Brutal Without Changing the Difficulty

Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire