Choose Planet Gemini
Choose Planet Gemini if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Planet Gemini launched in 2026.
Planet Gemini vs Stellar Shipyard
Planet Gemini and Stellar Shipyard both land in Strategy, 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 share Strategy, Indie on Steam. Planet Gemini is free; Stellar Shipyard 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 Stellar Shipyard
Choose Stellar Shipyard if you want an Adventure and Simulation game with Online PvP, LAN PvP, and LAN Co-op.
Both Planet Gemini and Stellar Shipyard sit in Strategy and Indie on Steam and both list Multi-player, Online Co-op, and 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
 Planet Gemini |  Stellar Shipyard | |
|---|---|---|
| Released | 2026 | — |
| Genres | Strategy, Indie, Free To Play | Strategy, Indie, Adventure, Simulation |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | 90.9% positive (11 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, LAN Co-op |
| Developers | decidone, algen | Ursa Dev |
Side by side
- Both share Strategy, Indie on Steam.
- Planet Gemini is free; Stellar Shipyard is paid (Price unknown).
- Both support cooperative play.
Planet Gemini vs Stellar Shipyard — FAQ
- Are Planet Gemini and Stellar Shipyard similar?
- They overlap on Strategy, 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.
- Do both Planet Gemini and Stellar Shipyard have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Planet Gemini ships Online Co-op, Co-op; Stellar Shipyard ships Online Co-op, LAN Co-op.
- Is Planet Gemini free?
- Yes — Planet Gemini is a free-to-play Steam title. Stellar Shipyard is paid (Price unknown).