Kill 30 Minions

Fight against the prisoner at Acre

Kill 20 enemies with a brutal combo

Finish the game in Easy Mode

Find 20 treasures

Kill 30 enemies with the MP40

Kill 100 enemies with headshots

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

Find 10 treasures

Kill 50 enemies with the AK-47

Find five treasures

Kill 30 enemies with headshots

Kill five enemies with a brutal combo