Defeat 20 enemies with hand-to-hand combat

Finish the game in Easy Mode

Kill 50 enemies with the SAS - 12

Kill 100 enemies with headshots

Find 15 treasures

Complete the first Campaign mission.

Complete both Tutorials

Kill 50 enemies with the AK-47

Kill five enemies in a row with headshots

Kill 50 enemies with the PM - 9mm

Kill 10 enemies with headshots

Complete the game.