Choose Space
Choose Space if you want an Action, Adventure, and Massively Multiplayer game with HDR available. On Steam, it's free to play, so the barrier to trying it is zero.
Space vs Main Sequence
Space and Main Sequence both land in Indie, 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 Indie, Simulation on Steam. Space is free; Main Sequence is paid (Price unknown). 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 Main Sequence
Choose Main Sequence if you want a Strategy and Early Access game with Custom Volume Controls, Playable without Timed Input, and Save Anytime.
Both Space and Main Sequence sit in Indie and Simulation on Steam and both list Multi-player, Online Co-op, and LAN Co-op, 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
 Space |  Main Sequence | |
|---|---|---|
| Released | — | — |
| Genres | Action, Indie, Adventure, Simulation, Massively Multiplayer, RPG, Free To Play, Casual | Strategy, Indie, Simulation, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Online Co-op, LAN Co-op | Multi-player, Online Co-op, LAN Co-op |
| Developers | Neila Games | Tumbling Dumpling Studio |
Side by side
- Both share Indie, Simulation on Steam.
- Space is free; Main Sequence is paid (Price unknown).
- Both support cooperative play.
Space vs Main Sequence — FAQ
- Are Space and Main Sequence similar?
- They overlap on Indie, 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.
- Do both Space and Main Sequence have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Space ships Online Co-op, LAN Co-op; Main Sequence ships Online Co-op, LAN Co-op.
- Is Space free?
- Yes — Space is a free-to-play Steam title. Main Sequence is paid (Price unknown).