Kill three enemies with one explosion five times

Kill 10 enemies by aiming while hanging from a ledge

Finish the game in Normal Mode

Find all 60 treasures

Kill 30 enemies with the MP40

Find 55 treasures

Find 50 treasures

Find 40 treasures

Kill 30 enemies with the Dragon Sniper

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

Kill 30 enemies with the M79

Find 30 treasures