Kill 30 Enemies with Mk-NDI Grenades

Defeat 20 Enemies with Hand-to-Hand Combat

Find 1 Treasure

Find all Treasures and the Strange Relic

Beat 'Chapter 16 - The Treasure Vault' in less than 7 minutes

Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire

Kill 20 Enemies with the Desert - 5

Kill 5 Enemies in a Row with Brutal Combo

Find 40 Treasures

Kill 20 Enemies with Brutal Combo

Kill 3 Enemies with 1 Explosion 5 Times

Kill 50 Enemies by Melee-Attacking from Behind

Kill 20 Enemies with Gunfire While Hanging