Choose NAUTUS
Choose NAUTUS if you want an Action and Casual game with Online Co-op, Steam Input API Support, and Steam Timeline.
NAUTUS vs I Thalassa
NAUTUS and I Thalassa both land in Indie, Adventure 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 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 I Thalassa
Choose I Thalassa if you want the PvP side of the pairing.
Both NAUTUS and I Thalassa sit in Indie and Adventure on Steam and both list Multi-player and Co-op, 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
 NAUTUS |  I Thalassa | |
|---|---|---|
| Released | — | — |
| Genres | Action, Indie, Adventure, Casual | Indie, Adventure |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Co-op |
| Developers | Magic Design Studios | San Liuk |
Side by side
- Both share Indie, Adventure on Steam.
- Both support cooperative play.
NAUTUS vs I Thalassa — FAQ
- Are NAUTUS and I Thalassa similar?
- They overlap on Indie, Adventure 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 NAUTUS and I Thalassa have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: NAUTUS ships Online Co-op, Co-op; I Thalassa ships Co-op.