Kill 30 Enemies with the Arm Micro

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

Defeat 50 Enemies with Hand-to-Hand Combat

Defeat 20 Enemies with Hand-to-Hand Combat

Complete Story Mission: Welcome Home.

Kill 30 Enemies with the RPG-7

Defeat 250 Enemies with Headshots

Find all Treasures and the Strange Relic

Finish the Game on Easy Without Changing the Difficulty

Finish the Game on Hard Without Changing the Difficulty

Find 80 treasures

Kill 50 Enemies with the Dragon Sniper

Kill 50 Enemies with the FAL