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 Normal Without Changing the Difficulty

Kill 50 Enemies with the Dragon Sniper

Kill 30 Enemies with Mk-NDI Grenades

Kill 100 Enemies with Headshots

Kill 50 Enemies with the FAL

Kill 50 Enemies with the 92FS-9mm

Defeat 50 Enemies with Hand-to-Hand Combat

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty