Choose Nion Forge
Choose Nion Forge if you want the Stereo Sound and Keyboard Only Option side of the pairing. On Steam, it's a focused single-player run rather than a multiplayer commitment.
Nion Forge vs Cosmic Tails
Nion Forge and Cosmic Tails both land in Action, Indie, 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, Indie, Casual on Steam. Cosmic Tails has co-op; Nion Forge 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 Cosmic Tails
Choose Cosmic Tails if you want a RPG 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.
Both Nion Forge and Cosmic Tails sit in Action, Indie, and Casual 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
 Nion Forge |  Cosmic Tails | |
|---|---|---|
| Released | — | 2025 |
| Genres | Action, Indie, Casual | Action, Indie, RPG, Casual |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 1.24 USD |
| Steam reviews | — | 2 reviews |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Relypse, Martin Steguweit | parm |
Side by side
- Both share Action, Indie, Casual on Steam.
- Cosmic Tails has co-op; Nion Forge does not.
Nion Forge vs Cosmic Tails — FAQ
- Are Nion Forge and Cosmic Tails similar?
- They overlap on Action, Indie, 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.
- Does Nion Forge have multiplayer like Cosmic Tails?
- No. Cosmic Tails supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Nion Forge is listed as single-player only.