Give an orc one of your clones to eat

Finish Mission 2

Pick pocket 15 guards

Create 30 clones

Kill an enemy who was bound by a clone

Unlock 20 doors

Eliminate 200 enemies

Kill two or more enemies by making a chandelier drop on them

Kill an enemy with a covered kill

Kill 50 enemies without making noise

Extinguish 30 torches

Complete 5 quests in a single co-op game with the same 3 partners