Beat 'Chapter 5 - Urban Warfare' in less than 7 minutes 30 seconds

Finish the Game on Hard Without Changing the Difficulty

Beat the Last Chapter Without Dying on Normal Difficulty or Harder

Kill 50 Enemies with the SAS-12

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

Kill 50 Enemies with the Micro-9mm

Kill 50 Enemies by Melee-Attacking from Behind

Finish the Game on Normal Without Changing the Difficulty

Find 60 Treasures

Kill 30 Enemies with the Desert-5

Kill 100 Enemies with Headshots

Find 40 Treasures

Defeat 50 Enemies with Hand-to-Hand Combat