Explore After your spacecraft has crash landed, you wake up on a mysterious planet equipped with nothing.
Build Build y. Unknown Planet Steam CD Key. You'll need to collect raw materials, build primitive tools, eat, drink, and start on your exploration journey to uncover areas ranging from friendly grass fields to crimson forests, lava wastelands and bio-luminescent biomes full of lifeforms that want to eat you.Unknown Planet is an open world adventure survival game, set on an alien planet with randomly generated worlds.