Kill 50 Enemies by Melee-Attacking from Behind

Kill 50 Enemies with the 92FS-9mm

Find the Strange Relic

Defeat 50 Enemies with Hand-to-Hand Combat

Kill 20 Enemies with Headshots

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty

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

Kill 30 Enemies with the Dragon Sniper

Kill 30 Enemies with the MP40

Kill 50 Enemies with the Moss - 12

Defeat 250 Enemies with Headshots

Find 20 Treasures