Kill 20 enemies with a brutal combo

Kill 50 enemies with the AK-47

Find 25 treasures

Finish the game in Normal Mode

Kill 30 enemies with the Dragon Sniper

Kill 50 enemies in a row without dying

Kill 50 enemies with the SAS - 12

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Kill five enemies with a brutal combo

Kill 20 enemies with the Wes - 44

Kill 10 enemies by aiming while hanging from a ledge

Find five treasures