Finish the game in Crushing Mode

Kill three enemies with one explosion five times

Finish the game in Normal Mode

Kill 50 enemies with the SAS - 12

Kill 30 enemies with the MP40

Find 55 treasures

Kill 30 enemies with the Dragon Sniper

Find 45 treasures

Find 40 treasures

Kill 20 enemies melee-attacking from behind

Find 30 treasures

Kill 10 enemies with grenades by aiming while hanging from a ledge