
Screenshots

Watch trailer on Steam ↗Fishful Days
COSMICDUST STUDIO · Published by COSMICDUST STUDIO
9 user reviews — 100% positive (9 reviews) · 8 achievements
Last updated 28 Sept 2026
"Fishful Days" is a casual idle game. you can buy fish fry and let them grow in the background; once they reach adulthood, they will continuously produce fish for you! You can also buy multiple fish tanks to achieve snowballing growth. It also offers rich fish tank customization features.
£3.59
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
Price history
Indie, Casual · 2026 · More under £5 games
Manage a thriving fish farm where fry grow into adults and produce more fish for you. Expand your collection in multiple tanks and customize each tank to your liking, all in this relaxing indie experience from COSMICDUST STUDIO.
About this game
"Fishful Days" is a casual idle game. you can buy fish fry and let them grow in the background; once they reach adulthood, they will continuously produce fish for you! You can also buy multiple fish tanks to achieve snowballing growth. It also offers rich fish tank customization features.
The demo is now available! Come and experience it!
• Feed fry to increase their experience, and raise adult fish to collect coins.
• Abundant customization options for your aquarium.
• Create your own unique aquarium using aquascaping designs.
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor: Intel Core i3
- Memory: 8 GB RAM
- Graphics: Intel UHD 630
- Storage: 2 GB available space
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
v1.1.7(fd6f8b63) Patch Update
Update Date: August 10, 2026 1. Fixed an issue where the store refresh price kept doubling infinitely after exceeding the configured table range; it is now capped at the last configured price. 2. Fixed the tank dropdown list not refreshing after a tank is renamed. 3. Fixed an issue where text disappeared in the tank-switching dropdown on some devices (removed UI effect components incompatible with TMP).Read full article on Community Announcements (CUSMICDUST STUDIO)Patch NotesOfficial
v1.1.6(a9be083a) Patch Update
Update Date: August 8, 2026 1. Fixed an issue where overlapping nodes in the talent tree prevented the Shop Expansion III prerequisite talent from being unlocked. 2. Aligned the talent structure of advanced areas, fixing the prerequisite relationships of growth talents in areas 6002/6003/6004, and added expansion talents with a more compact node layout. 3. Fixed inconsistencies between talent values and their descriptions (such as unlock coin amounts and time parameters), so they now match the in-game notes. 4. Improved the format of talent names and descriptions.Read full article on Community Announcements (CUSMICDUST STUDIO)Patch NotesOfficial
v1.1.5 (619ed902) Patch Update
1. Fixed a bug where some talent nodes could not be unlocked.2. Balance adjustment: fish that took more than 3 days to grow up now all mature within 3 days.3. Improved some UI displays.Thank you all for playing!~ Please consider leaving a comment or writing a review! :)2026.8.5Read full article on Community Announcements (CUSMICDUST STUDIO)Patch NotesOfficial
v1.1.4 (1d3ff55b) Patch Update
1. Fixed a bug where the "Full House of Favorites" achievement could not be triggered.2. Fixed a bug where, after changing a fish's appearance, the setting would not be saved and would be lost when reopening the game.3. Fixed some other known bugs.Thank you all for playing!~ Please consider leaving a comment or writing a review! :)2026.8.4Read full article on Community Announcements (CUSMICDUST STUDIO)Patch NotesOfficial
v1.1.3 (b4f28712) Patch Update
1. Fixed a bug where Steam achievements could not be completed.2. Fixed a bug where some in-game achievements could not be triggered.3. Added an "Achievement Status" filter to the achievements page.4. Added Russian language support.5. Added new talents for unlocking the "Goldfish Party".6. Fixed other known bugs.Thank you all for your support!2026.8.3Read full article on Community Announcements (CUSMICDUST STUDIO)






