Choose MultiPlanetary
Choose MultiPlanetary if you want the Online PvP and Online Co-op side of the pairing.
MultiPlanetary vs Belt Nine
MultiPlanetary and Belt Nine both land in Action, Adventure 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 Action, Adventure on Steam. Both support cooperative play. 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 Belt Nine
Choose Belt Nine if you want a Simulation game with Custom Volume Controls, Stereo Sound, and Keyboard Only Option. Belt Nine launched in 2027.
Both MultiPlanetary and Belt Nine sit in Action and Adventure on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen PvP, 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
 MultiPlanetary |  Belt Nine | |
|---|---|---|
| Released | — | 2027 |
| Genres | Action, Adventure | Action, Adventure, Simulation |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Multi-player, Cross-Platform Multiplayer, Shared/Split Screen Co-op |
| Developers | galXE Games | Hidden Mugs |
Side by side
- Both share Action, Adventure on Steam.
- Both support cooperative play.
MultiPlanetary vs Belt Nine — FAQ
- Are MultiPlanetary and Belt Nine similar?
- They overlap on Action, Adventure 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.
- Do both MultiPlanetary and Belt Nine have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: MultiPlanetary ships Online Co-op, Shared/Split Screen Co-op; Belt Nine ships Shared/Split Screen Co-op, Co-op.