Kill 20 Enemies with Headshots

Successfully Counter all of a Brute's Damage-Giving Attacks

Defeat 20 Enemies with Hand-to-Hand Combat

Find 1 Treasure

Finish the Game on Easy Without Changing the Difficulty

Find all Treasures and the Strange Relic

Kill 30 Enemies with the Desert-5

Find 80 treasures

Kill 50 Enemies with the M4

Kill 20 Enemies with Gunfire While Hanging

Kill 50 Enemies with the 92FS-9mm

Kill 30 Enemies with Mk-NDI Grenades

Activate a Tweak