Download Oxygen Not Included May 2026

Note: Late-game performance often depends heavily on single-thread CPU speed rather than multiple cores. Oxygen Not Included on Steam

(ONI) is a complex space-colony simulation game developed by Klei Entertainment. It tasks you with managing a crew of "Duplicants" on a procedurally generated asteroid where you must master science, thermodynamics, and plumbing to keep them alive. Where to Download Download Oxygen Not Included

You can officially download Oxygen Not Included on the following platforms for PC, Mac, and Linux: Download Oxygen Not Included