RimWorld is a sci-fi colony sim driven by an intelligent AI storyteller. Inspired by Dwarf Fortress, Firefly, and Dune.
You begin with three survivors of a shipwreck on a distant world.
Manage colonists’ moods, needs, wounds, illnesses and addictions.
Build in the forest, desert, jungle, tundra, and more.
Watch colonists develop and break relationships with family members, lovers, and spouses.
Replace wounded limbs and organs with prosthetics, bionics, or biological parts harvested from others.
Fight pirates, tribes, mad animals, giant insects and ancient killing machines.
Craft structures, weapons, and apparel from metal, wood, stone, cloth, and futuristic materials.
Tame and train cute pets, productive farm animals, and deadly attack beasts.
Trade with passing ships and caravans.
Form caravans to complete quests, trade, attack other factions, or migrate your whole colony.
Dig through snow, weather storms, and fight fires.
Capture refugees or prisoners and turn them to your side or sell them into slavery.
Discover a new generated world each time you play.
Explore hundreds of wild and interesting mods on the Steam Workshop.
Learn to play easily with the help of an intelligent and unobtrusive AI tutor.