Choose COS-MOS
Choose COS-MOS if you want an Adventure game with Stereo Sound.
COS-MOS vs SplatStick
COS-MOS and SplatStick both land in Action, Massively Multiplayer, 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 Action, Massively Multiplayer, Casual on Steam. Both support cooperative play. 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 SplatStick
Choose SplatStick if you want an Indie game with Shared/Split Screen, Online PvP, and Shared/Split Screen PvP. SplatStick launched in 2026.
Both COS-MOS and SplatStick sit in Action, Massively Multiplayer, and Casual on Steam and both list Multi-player, Online Co-op, and Custom Volume Controls, 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
 COS-MOS |  SplatStick | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Adventure, Massively Multiplayer, Casual | Action, Indie, Massively Multiplayer, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 1.39 USD |
| Steam reviews | — | 3 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Shared/Split Screen Co-op |
| Developers | Peremennie | Ramil Nasrullaev |
Side by side
- Both share Action, Massively Multiplayer, Casual on Steam.
- Both support cooperative play.
COS-MOS vs SplatStick — FAQ
- Are COS-MOS and SplatStick similar?
- They overlap on Action, Massively Multiplayer, 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.
- Do both COS-MOS and SplatStick have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: COS-MOS ships Online Co-op, Co-op; SplatStick ships Online Co-op, Shared/Split Screen Co-op.