
Screenshots

Watch trailer on Steam ↗Cozy Littlequarium
Bloom Effect Studios, Gabreu Senra · Published by Bloom Effect Studios
Positive — 94% positive (32 reviews) · 32 achievements
Last updated 4 Oct 2026
Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!
£4.99
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
Price history
Indie, Simulation, Casual · 2025 · More under £5 games
Dive into Cozy Littlequarium, where you tend to a charming aquarium filled with tiny creatures. Breed new species and add unique decorations in this relaxing simulation from Gabreu Senra.
About this game
Cozy Littlequarium is a relaxing game that sits at the bottom of your screen, fitting perfectly into your daily routine, whether you're working, studying, or having fun with other tasks. Have your own aquarium always available at the bottom of your screen. Take care of it at your own pace, no rush, no worries, and enjoy the company of your new little fish.
BUY AND CARE OF FISH
Purchase a wide variety of fish to populate your aquarium. From colorful tropical species to peaceful freshwater dwellers, you can add them all to your tank. But remember, they need your care! Feed them regularly and keep an eye out for any signs of illness—it's up to you to ensure they stay healthy and happy.
DECORATION & CUSTOMIZATION
In Cozy Littlequarium, your aquarium is your personal masterpiece. Choose from a variety of decorations to create the perfect underwater world, from calming stones and plants to colorful corals and unique items. You can also change the floor texture to suit your style, and even adjust the color and opacity of the water to set the mood. Whether you want a peaceful, natural look or a vibrant, magical environment, the choice is yours—design your dream aquarium and make it truly yours!
BREED FISH TO DISCOVER NEW SPECIES
Combine different fish to breed new and exciting species! As your fish reproduce, you’ll unlock a range of unique and rare breeds. Experiment with different pairings to discover and collect all the amazing species the game has to offer.
COLLECT ALL THE FISH SPECIES
Collect every fish species in the game! In Cozy Littlequarium, your journey to discover and collect fish is tracked in an interactive Compendium. This vibrant collection features all the fish species you've encountered, organized by color and type. Each new discovery is added to your Compendium, creating a beautiful, colorful record of your aquatic adventures.
Whether you’re hunting for a specific fish or just enjoying the thrill of discovering new species, the Compendium will be your trusted guide and a rewarding reminder of your accomplishments.

ADD COZY LITTLEQUARIUM TO YOUR WISHLIST AND DIVE INTO THIS CALM ADVENTURE!
Hi, I'm Gabreu Senra, the creator and pixel artist behind Cozy Littlequarium. Developing this underwater world has been an incredible experience, and it's with great care that I share this journey with you.
If Cozy Littlequarium has caught your interest, be sure to add it to your wishlist! It's a wonderful way to support us as we continue to create and expand this relaxing universe. Your aquarium will always be at hand, ready to be cared for at your own pace, whether you're working, studying, or enjoying other activities. Watch over your fish, customize your environment, and discover new species with ease and pleasure.
Thank you for being part of this underwater adventure and for helping bring this world to life!
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor: Intel® Core™ i3 @ 3.2 GHZ
- Memory: 4 GB RAM
- Graphics: Graphics card with DX9
- DirectX: Version 9.0
Supported Languages
Latest news
Patch NotesOfficial
Clarity & Control Update
We are releasing a new update focused on improving clarity, usability, visual feedback, and overall polish. This update enhances the player experience with clearer UI elements, better communication of core mechanics, and important bug fixes.UI & Visual ImprovementsUpdated the visual style of Gold and Diamond pop-up balloons and Hunger and Sickness indicators Added a quick-access commands and decorations guide inside the Settings menuEnsured that all commands are clearly explainedMade it clear that the aquarium can be freely moved across the screenAdded clear information that decorations and eggs can be soldNew Menu SectionAdded a new screen in the main menu introducing my upcoming game, Slime SlammerPlayers can now wishlist the game directly from this screenFixesFixed an issue where selling Ruins decorations was incorrectly granting Diamonds instead of GoldFixed the "Toggle Fish" button, which was only working in the first aquariumRead full article on Community Announcements (gabreu)AnnouncementsOfficial
Wishlist Slime Slammer!!!
Big News 🎉, Everyone! I am very excited to announce that Slime Slammer is officially on Steam!!! Add it to your wishlist now and come live this battle!! Wishlist here: About The GameSlime Slammer is an idle PvZ-like tower defense game that sits at the bottom of your screen!Defend the round Slime King against the army of cubic slimes! Build your ultimate defense line using unique, heavily armed slimes! Level Up and Unlock PowerEarn XP , level up, and unlock powerful upgrades. Strengthen your towers, and create unstoppable defensive strategies as you progress. Hunt for GoldEvery fallen enemy drops precious gold. Use it wisely to buy new soldiers, upgrade existing ones, and continuously reinforce your defenses Always On, Never in the WayDesigned to run smoothly in a small corner of your screen, the game stays out of your workflow. Work, browse, study, or play other games while your defenses hold the line. Customize Your PlaystyleResize and reposition the game window to perfectly match your setup. Play passively and let your strategy unfold, or jump in actively to optimize every move. The experience adapts to you. Wishlist here: Thank you for reading! -Gabreu SenraRead full article on Community Announcements (gabreu)Patch NotesOfficial
Winter Update
We are releasing a festive update to celebrate the holiday season in Cozy Littlequarium. This update brings a new species, seasonal decorations, and a few fun visual touches to make your aquarium feel warm and festive during Christmas. Winter UpdateAdded a new species: Penguin Added 3 new decorations: two snowmen and one Christmas tree The Farpado now wears a Santa hat Christmas lights decoration added to make your aquarium even more festive and funRead full article on Community Announcements (gabreu)Patch NotesOfficial
Ruins Update
We are releasing a new update focused on expanding the world of Cozy Littlequarium and improving the overall experience. This update brings new species, new decorations, important system improvements, and several fixes requested by the community. Fullscreen Mode: Ghost Glass Catfish:Ruins Update:-Added a new species: Ghost Glass Catfish -Added 9 new decorations -New discovery UI -Fullscreen mode support -Option to replay the tutorial -Deterministic breeding: each combination of species generates a specific species -Automated breeding system: leaving fish breeding can produce up to 5 eggs -New species added to the rotating Shop -Easier discovery of new fishFixes: -Display available monitor names -Fixed an issue where the floor texture would reset and sometimes had to be purchased again -Fixed the rotating shop bug that caused it to reset at the wrong time -Fixed the issue where the shop displayed 1/10 instead of 1/6 pages -Fixed automatic language detection in Localization that caused the language to revert to ChineseRead full article on Community Announcements (gabreu)Patch NotesOfficial
PATCH 0.7.0.1
Thank you so much for playing Cozy Littlequarium! 💙 Here’s what’s new in this update:✅ Added vertical screen support ‣ Especially tested with 9:16 and 10:16 resolutions🐛 Bug Fixes ‣ Fixed a rare issue where the screen could flicker when detecting resolution inconsistencies ‣ Fixed a rare problem where the UI could appear incorrectly scaled🐟 Gameplay Adjustments ‣ Reduced the time it takes for a fish to get sick: from 60 minutes → 40 minutesThank you for all your feedback and support — it truly helps us keep improving! Wishing you a calm and lovely time under the waves. 🌊💙Read full article on Community Announcements (gabreu)






