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indielist (beta)

The best space indie games, ranked by reviews

5 min read for players

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Data report Built from live indielist data on 2026-07-24. Rankings update as data changes.

indielist tracks 72 space indie games on Steam, holding 1,676,839 reviews at an average of 87% positive. This list ranks them by Steam review count, the most reliable public sales proxy, with a white-box sales estimate behind every title. The most reviewed is No Man's Sky with 310,268 reviews. Figures are tracked by indielist; sales numbers are estimates that each expand into their full formula.

The ranking

  1. No Man's Sky · 310,268 reviews · 85% positive · 2016
  2. RimWorld · 243,385 reviews · 98% positive · 2018
  3. Oxygen Not Included · 142,787 reviews · 97% positive · 2019
  4. Starbound · 120,624 reviews · 90% positive · 2016
  5. Kerbal Space Program · 118,802 reviews · 96% positive · 2015
  6. ASTRONEER · 118,359 reviews · 92% positive · 2019
  7. Outer Wilds · 87,474 reviews · 96% positive · 2020
  8. Dyson Sphere Program · 83,095 reviews · 97% positive · 2021
  9. FTL: Faster Than Light · 62,406 reviews · 95% positive · 2012
  10. Mouthwashing · 37,868 reviews · 95% positive · 2024
  11. Kerbal Space Program 2 · 27,818 reviews · 26% positive · 2023
  12. Universe Sandbox · 27,434 reviews · 96% positive · 2015
  13. Warhammer 40,000: Inquisitor - Martyr · 19,445 reviews · 76% positive · 2018
  14. Viscera Cleanup Detail · 17,976 reviews · 92% positive · 2015
  15. SpaceEngine · 15,358 reviews · 96% positive · 2019
  16. IXION · 15,003 reviews · 79% positive · 2022
  17. Breathedge · 14,366 reviews · 82% positive · 2021
  18. shapez 2 - Factory · 13,482 reviews · 97% positive · 2026
  19. Nova Drift · 12,907 reviews · 96% positive · 2024
  20. Planetary Annihilation: TITANS · 11,348 reviews · 84% positive · 2015

How this list is built

Games are ranked by Steam review count, the most reliable public proxy for sales when actual figures are private. Each title links to its indielist page, where the white-box sales estimate expands into the full Boxleiter formula, so you can audit the number rather than trust a black box. Review counts come from Steam; sales figures are estimates, not official sales data.

Want the underlying estimate for your own game? Try the sales estimator, or browse the full game directory.