Kill 20 Enemies with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Normal Without Changing the Difficulty

Find all Treasures and the Strange Relic

Kill 30 Enemies with Mk-NDI Grenades

Kill 5 Enemies with a Single Punch After Weakening Them with Gunfire

Kill 50 Enemies with the M4

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

Kill 50 Enemies with the Moss - 12

Kill 5 Enemies in a Row with Headshots

Find 40 Treasures

Find 30 Treasures