Kill 20 Enemies with Gunfire While Hanging

Defeat 50 Enemies with Hand-to-Hand Combat

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

Find 1 Treasure

Kill 100 Enemies with Headshots

Kill 50 Enemies with the Dragon Sniper

Kill 20 Enemies with the Pistole

Kill 50 Enemies with the M4

Defeat 50 Enemies with Hand-to-Hand Combat

Complete a Fuel Management Practice Programme

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 20 Enemies by Shooting from the Hip (without aiming)