Choose Fish Fillets 2
Choose Fish Fillets 2 if it matches what drew you to this matchup. Fish Fillets 2 launched in 2010.
Fish Fillets 2 vs Underground Keeper 2
Fish Fillets 2 and Underground Keeper 2 both land in 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 Indie, Casual on Steam. Fish Fillets 2 (2010) is 10 years older than Underground Keeper 2 (2020). Underground Keeper 2 is currently ~0% cheaper on Steam than Fish Fillets 2 (4.99 USD vs. 4.99 USD). 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 Underground Keeper 2
Choose Underground Keeper 2 if you want the Steam Leaderboards side of the pairing. On Steam, it's the newer release (2020) and ships with the modern feature baseline. Underground Keeper 2 launched in 2020.
Both Fish Fillets 2 and Underground Keeper 2 sit in Indie and Casual 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
 Fish Fillets 2 |  Underground Keeper 2 | |
|---|---|---|
| Released | 2010 | 2020 |
| Genres | Indie, Casual | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 4.99 USD | 4.99 USD |
| Steam reviews | 96.9% positive (64 reviews) | 7 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Altar Games | LukasH |
Side by side
- Both share Indie, Casual on Steam.
- Fish Fillets 2 (2010) is 10 years older than Underground Keeper 2 (2020).
- Underground Keeper 2 is currently ~0% cheaper on Steam than Fish Fillets 2 (4.99 USD vs. 4.99 USD).
- Fish Fillets 2 is Deck Playable on Steam Deck; Underground Keeper 2 has no Deck rating yet.
Fish Fillets 2 vs Underground Keeper 2 — FAQ
- Should I play Fish Fillets 2 or Underground Keeper 2 first?
- If you want chronology, Fish Fillets 2 (2010) came out before Underground Keeper 2 (2020). 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 Fish Fillets 2 and Underground Keeper 2 similar?
- They overlap on 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 Fish Fillets 2 run on Steam Deck?
- Yes — Fish Fillets 2 is rated Deck Playable by Valve. Underground Keeper 2 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.