Kill 20 Enemies with Gunfire While Hanging

Kill 30 Enemies with the KAL-7

Defeat 50 Enemies with Hand-to-Hand Combat

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 Normal Without Changing the Difficulty

Kill 50 Enemies with the M4

Drive a total of 50 km

Kill 50 Enemies with the FAL

Kill 100 Enemies with Headshots

Defeat Great One: Orphan of Kos.