Kill an enemy from behind while disguised by the Sleeper Agent

Kill 20 Enemies with Headshots

Explore Photo Mode

Kill 30 Enemies with the RPG-7

Kill 20 Enemies with the Pistole

Kill 50 Enemies with the SAS-12

Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire

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

Beat 'Chapter 13 - Locomotion' in less than 7 minutes

Beat 'Chapter 3 - Borneo' in less than 6 minutes 30 seconds

Finish the Game on Hard Without Changing the Difficulty

Finish the Game on Crushing Without Changing the Difficulty

Find 100 Treasures