Choose Mars Horizon
Choose Mars Horizon if you want a Strategy game with Adjustable Text Size, Color Alternatives, and Camera Comfort. 1,445 Steam reviews back the pick.
Mars Horizon vs Science Simulator
Mars Horizon and Science Simulator 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. Mars Horizon (2020) is 2 years older than Science Simulator (2022). Science Simulator is currently ~50% cheaper on Steam than Mars Horizon (9.99 USD vs. 19.99 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 Science Simulator
Choose Science Simulator if you want an Adventure, Casual, and Early Access experience. On Steam, it's currently about 50% cheaper on the Steam Store. Science Simulator launched in 2022.
Both Mars Horizon and Science Simulator sit in Indie 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
 Mars Horizon |  Science Simulator | |
|---|---|---|
| Released | 2020 | 2022 |
| Genres | Strategy, Indie, Simulation | Indie, Adventure, Simulation, Casual, Early Access, Racing |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 9.99 USD |
| Steam reviews | 82.6% positive (1,445 reviews) | 7 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Auroch Digital | Callum Sales |
Side by side
- Both share Indie, Simulation on Steam.
- Mars Horizon (2020) is 2 years older than Science Simulator (2022).
- Science Simulator is currently ~50% cheaper on Steam than Mars Horizon (9.99 USD vs. 19.99 USD).
- Mars Horizon is Deck Playable on Steam Deck; Science Simulator has no Deck rating yet.
Mars Horizon vs Science Simulator — FAQ
- Should I play Mars Horizon or Science Simulator first?
- If you want chronology, Mars Horizon (2020) came out before Science Simulator (2022). 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 Mars Horizon and Science Simulator 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.
- Does Mars Horizon run on Steam Deck?
- Yes — Mars Horizon is rated Deck Playable by Valve. Science Simulator doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.