Choose Osmos
Choose Osmos if it matches what drew you to this matchup. Osmos launched in 2009.
Osmos vs Orbit HD
Osmos and Orbit HD both land in Indie, 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, Casual on Steam. Osmos (2009) is 6 years older than Orbit HD (2015). Osmos scores higher on Steam reviews (88.6% positive) than Orbit HD (65.9% positive). 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 Orbit HD
Choose Orbit HD if you want an Adventure and Simulation experience. On Steam, it's currently about 80% cheaper on the Steam Store. Orbit HD launched in 2015.
Both Osmos and Orbit HD sit in Indie 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
 Osmos |  Orbit HD | |
|---|---|---|
| Released | 2009 | 2015 |
| Genres | Indie, Casual | Indie, Adventure, Simulation, Casual |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 9.99 USD | 1.99 USD |
| Steam reviews | 88.6% positive (403 reviews) | 65.9% positive (44 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Hemisphere Games | Brainchild |
Side by side
- Both share Indie, Casual on Steam.
- Osmos (2009) is 6 years older than Orbit HD (2015).
- Osmos scores higher on Steam reviews (88.6% positive) than Orbit HD (65.9% positive).
- Orbit HD is currently ~80% cheaper on Steam than Osmos (1.99 USD vs. 9.99 USD).
- Osmos is Deck Playable on Steam Deck; Orbit HD has no Deck rating yet.
Osmos vs Orbit HD — FAQ
- Should I play Osmos or Orbit HD first?
- If you want chronology, Osmos (2009) came out before Orbit HD (2015). 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 Osmos and Orbit HD similar?
- They overlap on Indie, 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.
- Does Osmos run on Steam Deck?
- Yes — Osmos is rated Deck Playable by Valve. Orbit HD doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.