Find 40 treasures

Kill 20 enemies with Mk-NDI grenades

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

Find 30 treasures

Kill 50 enemies in a row without dying

Find 25 treasures

Find the Strange Relic

Find 15 treasures

Kill 10 enemies by aiming while hanging from a ledge

Kill five enemies in a row with headshots

Kill 20 enemies with a brutal combo

Find 10 treasures

Find five treasures