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

Kill 30 Enemies with the RPG-7

Kill 30 Enemies with Mk-NDI Grenades

Kill 50 Enemies with the M4

Kill 50 Enemies with the 92FS-9mm

Kill 100 Enemies with Headshots

Kill 20 Enemies with Gunfire While Hanging

Kill 20 Enemies with Headshots

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty