Choose Lost Marbles
Choose Lost Marbles if you want an Adventure experience. Lost Marbles launched in 2022.
Lost Marbles vs Sphere Arena
Lost Marbles and Sphere Arena both land in Action, Casual, Early Access 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, Casual, Early Access on Steam. Sphere Arena (2021) is 1 year older than Lost Marbles (2022). Sphere Arena is currently ~10% cheaper on Steam than Lost Marbles (8.99 USD vs. 9.99 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 Sphere Arena
Choose Sphere Arena if you want an Indie game with Online Co-op and Co-op. On Steam, it has co-op, so you can bring a friend. Sphere Arena launched in 2021.
Both Lost Marbles and Sphere Arena sit in Action, Casual, and Early Access on Steam and both list Multi-player, Online PvP, and PvP, 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
 Lost Marbles |  Sphere Arena | |
|---|---|---|
| Released | 2022 | 2021 |
| Genres | Action, Adventure, Casual, Early Access, Racing | Action, Indie, Casual, Early Access, Racing |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 8.99 USD |
| Steam reviews | 100% positive (17 reviews) | 3 reviews |
| Multiplayer | Multi-player | Multi-player, Online Co-op, Co-op |
| Developers | Cabbeast Games | Blinking Bulb Studio |
Side by side
- Both share Action, Casual, Early Access on Steam.
- Sphere Arena (2021) is 1 year older than Lost Marbles (2022).
- Sphere Arena is currently ~10% cheaper on Steam than Lost Marbles (8.99 USD vs. 9.99 USD).
- Sphere Arena has co-op; Lost Marbles does not.
Lost Marbles vs Sphere Arena — FAQ
- Should I play Lost Marbles or Sphere Arena first?
- If you want chronology, Sphere Arena (2021) came out before Lost Marbles (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 Lost Marbles and Sphere Arena similar?
- They overlap on Action, Casual, Early Access 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.