Choose Planetary Settlers
Choose Planetary Settlers if you want an Early Access experience. Planetary Settlers launched in 2018.
Planetary Settlers vs PlanetMars3D: Spirit Mission
Planetary Settlers and PlanetMars3D: Spirit Mission both land in Indie, 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 Indie, Adventure on Steam. Planetary Settlers (2018) is 8 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 and Casual 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 Planetary Settlers and PlanetMars3D: Spirit Mission sit in Indie and Adventure 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
 Planetary Settlers |  PlanetMars3D: Spirit Mission | |
|---|---|---|
| Released | 2018 | 2026 |
| Genres | Indie, Adventure, Early Access | Indie, Adventure, Simulation, Casual |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | Price unknown |
| Steam reviews | 9 reviews | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Leveler Games | 4AI Limited |
Side by side
- Both share Indie, Adventure on Steam.
- Planetary Settlers (2018) is 8 years older than PlanetMars3D: Spirit Mission (2026).
Planetary Settlers vs PlanetMars3D: Spirit Mission — FAQ
- Should I play Planetary Settlers or PlanetMars3D: Spirit Mission first?
- If you want chronology, Planetary Settlers (2018) 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 Planetary Settlers and PlanetMars3D: Spirit Mission similar?
- They overlap on Indie, 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.