Isomer vs Mutant Fish Lab
Isomer and Mutant Fish Lab both land in Action, Strategy, 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, Strategy, Indie on Steam. Isomer (2014) is 11 years older than Mutant Fish Lab (2025). Mutant Fish Lab is currently ~50% cheaper on Steam than Isomer (4.99 USD vs. 9.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Side-by-side comparison
 Isomer |  Mutant Fish Lab | |
|---|---|---|
| Released | 2014 | 2025 |
| Genres | Action, Strategy, Indie, Early Access | Action, Strategy, Indie, Simulation, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 4.99 USD |
| Steam reviews | 18.2% positive (33 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Ionising Software | Mr.Poet |
Side by side
- Both share Action, Strategy, Indie on Steam.
- Isomer (2014) is 11 years older than Mutant Fish Lab (2025).
- Mutant Fish Lab is currently ~50% cheaper on Steam than Isomer (4.99 USD vs. 9.99 USD).
Isomer vs Mutant Fish Lab — FAQ
- Should I play Isomer or Mutant Fish Lab first?
- If you want chronology, Isomer (2014) came out before Mutant Fish Lab (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Isomer and Mutant Fish Lab similar?
- They overlap on Action, Strategy, 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.