Choose History of Space
Choose History of Space if it's currently about 75% cheaper on the Steam Store. History of Space launched in 2023.
History of Space vs PlanetMars3D: Spirit Mission
History of Space and PlanetMars3D: Spirit Mission both land in Adventure, 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 Adventure, Simulation on Steam. History of Space (2023) is 3 years older than PlanetMars3D: Spirit Mission (2026). History of Space is currently ~75% cheaper on Steam than PlanetMars3D: Spirit Mission (0.99 USD vs. 3.99 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 PlanetMars3D: Spirit Mission
Choose PlanetMars3D: Spirit Mission if you want an Indie and Casual game with Playable without Timed Input and #category_playable_at_your_own_pace. On Steam, it's the newer release (2026) and ships with the modern feature baseline. PlanetMars3D: Spirit Mission launched in 2026.
Both History of Space and PlanetMars3D: Spirit Mission sit in Adventure 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
 History of Space |  PlanetMars3D: Spirit Mission | |
|---|---|---|
| Released | 2023 | 2026 |
| Genres | Adventure, Simulation | Indie, Adventure, Simulation, Casual |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | 3.99 USD |
| Steam reviews | 4 reviews | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | 5 Games | 4AI Limited |
Side by side
- Both share Adventure, Simulation on Steam.
- History of Space (2023) is 3 years older than PlanetMars3D: Spirit Mission (2026).
- History of Space is currently ~75% cheaper on Steam than PlanetMars3D: Spirit Mission (0.99 USD vs. 3.99 USD).
History of Space vs PlanetMars3D: Spirit Mission — FAQ
- Should I play History of Space or PlanetMars3D: Spirit Mission first?
- If you want chronology, History of Space (2023) 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 History of Space and PlanetMars3D: Spirit Mission similar?
- They overlap on Adventure, 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.