Play as an alien hive-mind who murders bosses steals their abilities and wears their skulls. Every ability is gained by killing a boss and stealing their skull. These abilities allow you to transverse the world in new and exciting ways as well as help you destroy your opponents. Killing the Ratking allows you to wear his skull and use his ability to climb on walls. Killing an ancient manufacturing robot allows you to throw his claw-head and use it to swing around the world. Killing The Protector allows you to use his power core to fire devastating laser beams. Make every inch of the alien planet your playground as you learn its secrets and use them to your advantage. Take advantage of Zaplings sticky tentacles to fluidly jump and climb around the world. Find game-changing mutations that modify and enhance your abilities, and collect skull fragments that shine a light on long-dead civilizations. Trade plasma for ancient keys, forgotten secrets, and weird paintings. Explore a vast, dangerous, and interconnected world with only you and your skills as a company. Reveal each biome in the world by collecting the skulls of people who lived in them. Explore and conquer 6 biomes, each with its own enemies, bosses, and backstory. This includes: Ratqueen Gardens is an old mine that has been overgrown with monstrous plants and angry rats that are rampaging due to their king's untimely death. Grimtown, is an empty shell of a fallen civilization occupied by people who have lost everything to a creeping virus that causes everlasting suffering. Mountain Path, is a snowy inhabitable mountain littered with ancient technology built to protect the planet from alien invasion.