IMHO.

Solar System Simulator vs StarbaseSim

Solar System Simulator and StarbaseSim both land in Simulation 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 Simulation games on Steam. Solar System Simulator (2024) is 1 year older than StarbaseSim (2025). StarbaseSim scores higher on Steam reviews (96.7% positive) than Solar System Simulator (82.4% 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 Solar System Simulator

Choose Solar System Simulator if you want an Indie and Casual experience. On Steam, it's currently about 51% cheaper on the Steam Store. Solar System Simulator launched in 2024.

Choose StarbaseSim

Choose StarbaseSim if you want an Early Access game with Multi-player, Online Co-op, and Co-op. On Steam, it has co-op, so you can bring a friend. StarbaseSim launched in 2025.

Both Solar System Simulator and StarbaseSim sit in Simulation 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

Solar System Simulator vs StarbaseSim — Steam metadata comparison
Solar System Simulator — Steam game coverSolar System SimulatorStarbaseSim — Steam game coverStarbaseSim
Released20242025
GenresIndie, Simulation, CasualSimulation, Early Access
PlatformsWindows, macOSWindows, Linux
Steam DeckUnratedUnrated
Price7.99 USD16.37 USD
Steam reviews82.4% positive (17 reviews)96.7% positive (30 reviews)
MultiplayerSingle-player onlyMulti-player, Online Co-op, Co-op
DevelopersWPCAshtorakSimGames

Side by side

Solar System Simulator vs StarbaseSim — FAQ

Should I play Solar System Simulator or StarbaseSim first?
If you want chronology, Solar System Simulator (2024) came out before StarbaseSim (2025). 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 Solar System Simulator and StarbaseSim similar?
They overlap on Simulation 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 Solar System Simulator have multiplayer like StarbaseSim?
No. StarbaseSim supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Solar System Simulator is listed as single-player only.
Solar System Simulator vs StarbaseSim — Verdict (2026) · imho.run