Choose Spacebase Startopia
Choose Spacebase Startopia if you want the Multi-player, Online PvP, and Online Co-op side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Spacebase Startopia launched in 2021.
Spacebase Startopia vs It's Not A Moon
Spacebase Startopia and It's Not A Moon both land in Strategy, 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 share Strategy, Simulation on Steam. It's Not A Moon (2019) is 2 years older than Spacebase Startopia (2021). It's Not A Moon is currently ~98% cheaper on Steam than Spacebase Startopia (0.99 USD vs. 39.99 USD). 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 It's Not A Moon
Choose It's Not A Moon if you want an Action, Indie, and Early Access experience. On Steam, it's currently about 98% cheaper on the Steam Store. It's Not A Moon launched in 2019.
Both Spacebase Startopia and It's Not A Moon sit in Strategy and 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
 Spacebase Startopia |  It's Not A Moon | |
|---|---|---|
| Released | 2021 | 2019 |
| Genres | Strategy, Simulation | Action, Strategy, Indie, Simulation, Early Access |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 39.99 USD | 0.99 USD |
| Steam reviews | 50% positive (234 reviews) | 6 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Realmforge Studios | Hyeson |
Side by side
- Both share Strategy, Simulation on Steam.
- It's Not A Moon (2019) is 2 years older than Spacebase Startopia (2021).
- It's Not A Moon is currently ~98% cheaper on Steam than Spacebase Startopia (0.99 USD vs. 39.99 USD).
- Spacebase Startopia has co-op; It's Not A Moon does not.
- Spacebase Startopia is Deck Verified on Steam Deck; It's Not A Moon has no Deck rating yet.
Spacebase Startopia vs It's Not A Moon — FAQ
- Should I play Spacebase Startopia or It's Not A Moon first?
- If you want chronology, It's Not A Moon (2019) came out before Spacebase Startopia (2021). 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 Spacebase Startopia and It's Not A Moon similar?
- They overlap on Strategy, 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 It's Not A Moon have multiplayer like Spacebase Startopia?
- No. Spacebase Startopia supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while It's Not A Moon is listed as single-player only.
- Does Spacebase Startopia run on Steam Deck?
- Yes — Spacebase Startopia is rated Deck Verified by Valve. It's Not A Moon doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.