In Astroneer, each of the planets are procedurally generated with unique Resources, Biomes, and Collectibles of their own. They can be completely reshaped by your Tools.
- Terran - Terran Planet, safe haven, mildly dangerous caverns.
- Barren - Moon of Terran, low gravity.
- Exotic - Erratic Terrain, hostile flora spawns along the surface, frequent storms.
- Arid - Desert Planet, hazardous Tumblespikes roam around the surface.
- Radiated - Closest to the sun, Worm creatures inhabit its surface.
- Tundra - Coldest planet, generally safe, best source of Marbles and Ammonium.