Kill 30 Enemies with the Mag 5

Kill 75 Enemies in a Row Without Dying

Win 5 War matches in Multiplayer while playing online.

Activate a Tweak

Kill 10 Enemies in a Row, Alternating Hand-to-Hand Combat and Gunfire

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

Finish the Game on Hard Without Changing the Difficulty

Finish the Game on Normal Without Changing the Difficulty

Defeat 50 Enemies in a Row Without Auto-Reloading

Find all Treasures and the Strange Relic

Kill 30 Enemies with the T-Bolt Sniper

Kill 30 Enemies with the M9

Kill 30 Enemies with the SAS-12