Find 20 Treasures

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

Kill 20 Enemies with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with Mk-NDI Grenades

Kill 50 Enemies with the M4

Find 20 Treasures

Kill 50 Enemies with the FAL

Find the Strange Relic

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 50 Enemies with the M4