IMHO.

Kerbal Space Program vs Eterium

Kerbal Space Program and Eterium both land in Indie on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Indie games on Steam. Eterium (2014) is 1 year older than Kerbal Space Program (2015). Kerbal Space Program scores higher on Steam reviews (95.9% positive) than Eterium (87.5% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Kerbal Space Program

Choose Kerbal Space Program if you want a Simulation experience. 77,731 Steam reviews back the pick.

Choose Eterium

Choose Eterium if you want an Action experience. Eterium launched in 2014.

Both Kerbal Space Program and Eterium sit in Indie on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

Kerbal Space Program vs Eterium — Steam metadata comparison
Kerbal Space Program — Steam game coverKerbal Space ProgramEterium — Steam game coverEterium
Released20152014
GenresIndie, SimulationAction, Indie
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck PlayableUnrated
Price9.99 USDPrice unknown
Steam reviews95.9% positive (77,731 reviews)87.5% positive (24 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersSquadRogue Earth LLC

Side by side

Kerbal Space Program vs Eterium — FAQ

Should I play Kerbal Space Program or Eterium first?
If you want chronology, Eterium (2014) came out before Kerbal Space Program (2015). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are Kerbal Space Program and Eterium similar?
They overlap on Indie on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Does Kerbal Space Program run on Steam Deck?
Yes — Kerbal Space Program is rated Deck Playable by Valve. Eterium doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Kerbal Space Program vs Eterium — Verdict (2026) · imho.run