Choose CosmoOdyssey:Trip to Mars
Choose CosmoOdyssey:Trip to Mars if you want a RPG experience. CosmoOdyssey:Trip to Mars launched in 2022.
CosmoOdyssey:Trip to Mars vs PlanetMars3D: Spirit Mission
CosmoOdyssey:Trip to Mars and PlanetMars3D: Spirit Mission both land in Indie, Adventure, Casual 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, Adventure, Casual on Steam. CosmoOdyssey:Trip to Mars (2022) is 4 years older than PlanetMars3D: Spirit Mission (2026). 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 PlanetMars3D: Spirit Mission
Choose PlanetMars3D: Spirit Mission if you want a Simulation game with Playable without Timed Input. On Steam, it's the newer release (2026) and ships with the modern feature baseline. PlanetMars3D: Spirit Mission launched in 2026.
Both CosmoOdyssey:Trip to Mars and PlanetMars3D: Spirit Mission sit in Indie, Adventure, and Casual 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
 CosmoOdyssey:Trip to Mars |  PlanetMars3D: Spirit Mission | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Indie, Adventure, RPG, Casual | Indie, Adventure, Simulation, Casual |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | Price unknown |
| Steam reviews | 94.1% positive (17 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Brenntkopf Development | 4AI Limited |
Side by side
- Both share Indie, Adventure, Casual on Steam.
- CosmoOdyssey:Trip to Mars (2022) is 4 years older than PlanetMars3D: Spirit Mission (2026).
CosmoOdyssey:Trip to Mars vs PlanetMars3D: Spirit Mission — FAQ
- Should I play CosmoOdyssey:Trip to Mars or PlanetMars3D: Spirit Mission first?
- If you want chronology, CosmoOdyssey:Trip to Mars (2022) came out before PlanetMars3D: Spirit Mission (2026). 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 CosmoOdyssey:Trip to Mars and PlanetMars3D: Spirit Mission similar?
- They overlap on Indie, Adventure, Casual 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.