Choose Cosmic Tails
Choose Cosmic Tails if you want a RPG and Casual game with Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op. On Steam, it has co-op, so you can bring a friend. Cosmic Tails launched in 2025.
Cosmic Tails vs Synapses Invasion
Cosmic Tails and Synapses Invasion both land in Action, 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, Indie on Steam. Cosmic Tails has co-op; Synapses Invasion 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 Synapses Invasion
Choose Synapses Invasion if you want the Color Alternatives and Keyboard Only Option side of the pairing. On Steam, it's a focused single-player run rather than a multiplayer commitment.
Both Cosmic Tails and Synapses Invasion sit in Action and Indie on Steam and both list DualShock Controller Support, Gamepad Recommended, and Camera Comfort, 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
 Cosmic Tails |  Synapses Invasion | |
|---|---|---|
| Released | 2025 | — |
| Genres | Action, Indie, RPG, Casual | Action, Indie |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.24 USD | Price unknown |
| Steam reviews | 2 reviews | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | parm | Mingei Games Studio |
Side by side
- Both share Action, Indie on Steam.
- Cosmic Tails has co-op; Synapses Invasion does not.
Cosmic Tails vs Synapses Invasion — FAQ
- Are Cosmic Tails and Synapses Invasion similar?
- They overlap on Action, 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.
- Does Synapses Invasion have multiplayer like Cosmic Tails?
- No. Cosmic Tails supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Synapses Invasion is listed as single-player only.