Choose I Am Mouse
Choose I Am Mouse if you want an Action and Indie experience.
I Am Mouse vs I Am Fish
I Am Mouse and I Am Fish both land in Adventure, Simulation 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 Adventure, Simulation on Steam. I Am Fish is Deck Verified on Steam Deck; I Am Mouse has no Deck rating yet. 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 Am Fish
Choose I Am Fish if you want the Camera Comfort, Custom Volume Controls, and Playable without Timed Input side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. I Am Fish launched in 2021.
Both I Am Mouse and I Am Fish sit in Adventure and Simulation on Steam, 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
 I Am Mouse |  I Am Fish | |
|---|---|---|
| Released | — | 2021 |
| Genres | Action, Indie, Adventure, Simulation | Adventure, Simulation |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Verified |
| Price | Price unknown | 3.99 USD |
| Steam reviews | — | 74.9% positive (984 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Rat Studios | Bossa Studios |
Side by side
- Both share Adventure, Simulation on Steam.
- I Am Fish is Deck Verified on Steam Deck; I Am Mouse has no Deck rating yet.
I Am Mouse vs I Am Fish — FAQ
- Are I Am Mouse and I Am Fish similar?
- They overlap on Adventure, Simulation 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.