Choose Universe Sandbox
Choose Universe Sandbox if you want an Early Access game with Adjustable Text Size, Custom Volume Controls, and Playable without Timed Input. 18,850 Steam reviews back the pick.
Universe Sandbox vs Orbital Decay
Universe Sandbox and Orbital Decay both land in Indie, Simulation, 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, Simulation, Casual on Steam. Universe Sandbox (2015) is 11 years older than Orbital Decay (2026). Orbital Decay is currently ~83% cheaper on Steam than Universe Sandbox (4.99 USD vs. 29.99 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 Orbital Decay
Choose Orbital Decay if you want an Action experience. On Steam, it's currently about 83% cheaper on the Steam Store. Orbital Decay launched in 2026.
Both Universe Sandbox and Orbital Decay sit in Indie, Simulation, 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
 Universe Sandbox |  Orbital Decay | |
|---|---|---|
| Released | 2015 | 2026 |
| Genres | Indie, Simulation, Casual, Early Access | Action, Indie, Simulation, Casual |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 29.99 USD | 4.99 USD |
| Steam reviews | 96.6% positive (18,850 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Giant Army | Rick Leinecker LLC |
Side by side
- Both share Indie, Simulation, Casual on Steam.
- Universe Sandbox (2015) is 11 years older than Orbital Decay (2026).
- Orbital Decay is currently ~83% cheaper on Steam than Universe Sandbox (4.99 USD vs. 29.99 USD).
- Universe Sandbox is Deck Playable on Steam Deck; Orbital Decay has no Deck rating yet.
Universe Sandbox vs Orbital Decay — FAQ
- Should I play Universe Sandbox or Orbital Decay first?
- If you want chronology, Universe Sandbox (2015) came out before Orbital Decay (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 Universe Sandbox and Orbital Decay similar?
- They overlap on Indie, Simulation, 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 Universe Sandbox run on Steam Deck?
- Yes — Universe Sandbox is rated Deck Playable by Valve. Orbital Decay doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.