- Assemble your character from over 70 mutations and defects and 24 castes and kitsoutfit yourself with wings, two heads, quills, four arms, flaming hands, or the power to clone yourselfit's all the character diversity you could want.
- Explore procedurally-generated regions with some familiar locationseach world is nearly 1 million maps large.
- Dig through everythingdon't like the wall blocking your way? Dig through it with a pickaxe, or eat through it with your corrosive gas mutation, or melt it to lava. Yes, every wall has a melting point.
- Hack the limbs off monstersevery monster and NPC is as fully simulated as the player. That means they have levels, skills, equipment, faction allegiances, and body parts. So if you have a mutation that lets you, say, psionically dominate a spider, you can traipse through the world as a spider, laying webs and eating things.
- Pursue allegiances with over 60 factionsapes, crabs, robots, and highly entropic beingsjust to name a few.
- Learn the lorethere's a story in every nook, from legendary items with storied pasts to in-game history books written by plant historians.