Build your dream aquarium in this relaxing idle collecting game.

Chillquarium is a cozy aquarium simulation where you collect fish, grow your tank, and create a thriving underwater world. Buy fish, raise them in real time, and sell them for profit as you expand from a small starter tank into a massive aquarium filled with rare and exotic species.

Discover ultra-rare color variants, complete your collection, and customize your tank to match your style. Whether you want to optimize your profits or simply relax and watch your fish, Chillquarium is designed to be both rewarding and calming.

COLLECT, GROW, AND EXPAND
Start with a simple aquarium and grow it into a vibrant underwater ecosystem. Collect over 180 unique fish species and unlock rare and ultra-rare variants for each one. Can you complete the full collection?

IDLE AQUARIUM TYCOON GAMEPLAY
Earn money even while you’re away. Your fish grow in real time, allowing you to build a profitable aquarium empire at your own pace. Manage your fish, optimize your tank, and expand your setup.

DISCOVER RARE FISH & VARIANTS
Open booster packs to unlock new fish and discover rare and exotic species. Hunt for ultra-rare color variants and build the ultimate collection.

CUSTOMIZE YOUR DREAM AQUARIUM
Design and personalize your aquarium with different layouts and decorations. Create a peaceful environment where your fish can thrive.

RELAXING AND COZY EXPERIENCE
Enjoy a calm and stress-free game with soft visuals and real-time day-night cycles. Perfect for players who love cozy games, idle games, and collecting experiences.

FEATURES:
- Collect 180+ unique fish species
- Unlock rare and ultra-rare variants
- Idle gameplay: earn money while offline
- Expand and upgrade your aquarium
- Open booster packs to discover new fish
- Customize your tank and decorations
- Relaxing visuals and real-time day-night cycle

If you enjoy idle games, aquarium simulators, collecting games, or relaxing cozy experiences, Chillquarium is the perfect game for you.

Halloween Achievement Challenge!