Kill 100 enemies with headshots

Find 20 treasures

Kill 20 enemies with a brutal combo

Kill 10 enemies by aiming while hanging from a ledge

Kill 30 enemies with headshots

Kill five enemies with a brutal combo

Kill five enemies in a row with headshots

Find one treasure

Kill at least 30 enemies with a melee attack

Complete the game on any difficulty setting

Kill the Hive Mind

Complete Chapter 11 on any difficulty setting