Choose Project Three
Choose Project Three if you want an Action, Casual, and Racing experience. Project Three launched in 2025.
Project Three vs Onionisin
Project Three and Onionisin both land in Indie, Adventure, 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 Indie, Adventure, Early Access on Steam. 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 Onionisin
Choose Onionisin if it matches what drew you to this matchup.
Both Project Three and Onionisin sit in Indie, Adventure, and Early Access 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
 Project Three |  Onionisin | |
|---|---|---|
| Released | 2025 | — |
| Genres | Action, Indie, Adventure, Casual, Early Access, Racing | Indie, Adventure, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 7.99 USD | Price unknown |
| Steam reviews | 26.1% positive (23 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | The Only Way Out | Luma |
Side by side
- Both share Indie, Adventure, Early Access on Steam.
Project Three vs Onionisin — FAQ
- Are Project Three and Onionisin similar?
- They overlap on Indie, Adventure, 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.