Substructure
Dubious Design · 2026 · Automation, Base Building, Resource Management, Sandbox, Crafting
PC
Best price
Free
This game is free to play.
About Substructure
Harness the power of automation in this factory game set on a rogue planet in the far reaches of the solar system. Dig down and explore the depths of an alien world, exploit its resources across complex production chains, and travel towards the core to uncover its deepest secrets.