Assemble the Dead: Skeletons, zombies, orcs, harpies, elementals, and even robots! Combine the body parts with the appropriate characteristics and attacks to find the perfect combination of survivability, speed, and combat power. Upgrade Your Tower: Build necro labs to grow body parts and make techno-magic devices to upgrade your army of the dead. Explore the World: Guide your hordes of the undead through more than a dozen biomes to find the keys to escape from this strange world.