Think youâ€™ve killed enough orcs? Think again! Return to the dead world beyond the rifts and conquer a new series of challenging fortresses under siege by the orc mob. In Orcs Must Die! â€“ Lost Adventures youâ€™ll travel from the depths of the Pit to the narrow passages high over the Great Gorge. The Lost Adventures are five of the most deadly rift assaults the War Mage has ever faced!