Choose Out of Bounds
Choose Out of Bounds if you want a Simulation game with Steam Leaderboards. Out of Bounds launched in 2022.
Out of Bounds vs Project Sphinx
Out of Bounds and Project Sphinx both land in Action, 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 Action, Indie, Adventure on Steam. Out of Bounds (2022) is 1 year older than Project Sphinx (2023). Out of Bounds scores higher on Steam reviews (90.9% positive) than Project Sphinx (78.9% 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 Project Sphinx
Choose Project Sphinx if it's free to play, so the barrier to trying it is zero. Project Sphinx launched in 2023.
Both Out of Bounds and Project Sphinx sit in Action, 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
 Out of Bounds |  Project Sphinx | |
|---|---|---|
| Released | 2022 | 2023 |
| Genres | Action, Indie, Adventure, Simulation, Casual | Action, Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 4.99 USD | Free to play |
| Steam reviews | 90.9% positive (11 reviews) | 78.9% positive (19 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Tobías Rusjan | Blockout Team |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Out of Bounds (2022) is 1 year older than Project Sphinx (2023).
- Out of Bounds scores higher on Steam reviews (90.9% positive) than Project Sphinx (78.9% positive).
- Project Sphinx is free; Out of Bounds is paid (4.99 USD).
- Project Sphinx is Deck Playable on Steam Deck; Out of Bounds has no Deck rating yet.
Out of Bounds vs Project Sphinx — FAQ
- Should I play Out of Bounds or Project Sphinx first?
- If you want chronology, Out of Bounds (2022) came out before Project Sphinx (2023). 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 Out of Bounds and Project Sphinx similar?
- They overlap on Action, 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.
- Is Project Sphinx free?
- Yes — Project Sphinx is a free-to-play Steam title. Out of Bounds is paid (4.99 USD).