Defeat 250 Enemies with Headshots

Kill 50 Enemies with the Dragon Sniper

Kill 30 Enemies with the Moss-12

Kill 50 Enemies with the M4

Kill 50 Enemies by Melee-Attacking from Behind

Kill 100 Enemies with Headshots

Find 40 Treasures

Defeat 50 Enemies with Hand-to-Hand Combat

Find the Strange Relic

Find 20 Treasures

Kill 5 Enemies in a Row with Headshots

Find 1 Treasure

Find all Treasures and the Strange Relic