Kill 100 Enemies with Headshots

Kill 50 Enemies with the M4

Kill 30 Enemies with Mk-NDI Grenades

Kill 5 Enemies with 1 Explosion

Kill 5 Enemies in a Row with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Normal Without Changing the Difficulty

Find 30 Treasures

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

Kill 50 Enemies with the 92FS - 9mm

Kill 50 Enemies with the AK-47

Kill 5 Enemies in a Row with Headshots

Kill 20 Enemies with Headshots