Choose Shinobi
Choose Shinobi if you want a Casual game with Shared/Split Screen, Shared/Split Screen PvP, and Shared/Split Screen Co-op. On Steam, it has co-op, so you can bring a friend. Shinobi launched in 2026.
Shinobi vs OSO
Shinobi and OSO both land in Action, Strategy, Indie 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, Strategy, Indie on Steam. Shinobi has co-op; OSO does not. 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 OSO
Choose OSO if you want an Early Access game with Online PvP and LAN PvP.
Both Shinobi and OSO sit in Action, Strategy, and Indie on Steam and both list Multi-player, PvP, and DualShock Controller Support, 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
 Shinobi |  OSO | |
|---|---|---|
| Released | 2026 | — |
| Genres | Action, Strategy, Indie, Casual | Action, Strategy, Indie, Early Access |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 2 reviews | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player |
| Developers | Michael D'Souza | Horizen Interactive |
Side by side
- Both share Action, Strategy, Indie on Steam.
- Shinobi has co-op; OSO does not.
Shinobi vs OSO — FAQ
- Are Shinobi and OSO similar?
- They overlap on Action, Strategy, Indie 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.