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Cover of My Cozy Aquarium

My Cozy Aquarium

by REDDEER.GAMES

Build your dream tank and fill it with finned friends!

Nintendo Switch · Released Nov 6, 2025

+ I own it

Languages: Japanese, English, Portuguese, French, German

Screenshots

About this game

Feed your finned pals, polish their glassy castle, and keep the waters sparkling—because happy fish = happy you! Collect 300+ quirky swimmers, unlock magical tanks, play cozy mini‑games, and decorate your perfect underwater paradise. Purchase surprise packs filled with delightful fish companions and nurture them through immersive, relaxing mini-games. Feed your fish with care, maintain the perfect water temperature, clean the air filters to ensure healthy conditions, and gently scrub aquarium walls to keep your aquatic heaven crystal clear. As your fish grow, you'll experience the joy of raising them from tiny swimmers into magnificent adults. Sell your matured fish to earn coins, enabling you to expand your underwater paradise further. Discover and collect over 320 beautifully quirky fish species – each with charming and whimsical designs. Enhance your aquariums with vibrant decorations and upgraded fish food, unlocking even more cozy, aesthetic possibilities. Each out of the four tanks will offer different fish packages, inspired by real life fish but with a magical twist on them. Start with one tank, then unlock wild and wacky aquariums packed with magical fish and quirky surprises. Decorate, upgrade, and try not to laugh when your fish act like they own the place. KEY FEATURES: - Four themed aquariums full of charm and fishy chaos. - Relaxing mini-games with a silly twist. - Over 320 fish to collect—some cuter, some weirder, all awesome. - Tons of decorations to splash your style across the tank. - Cozy idle gameplay where even cleaning feels fun.

Prices by country

Cheapest today: 🇯🇵 Japan, $1.26 (−88%, sale ends Nov 19, 2026). That is 90% below the typical price across eShops today. Lowest price since October 2026, when we started tracking it.

CountryPrice
Japan On sale until Nov 19, 2026 -88% $10.11 $1.26
South Korea On sale until Nov 19, 2026 -87% $11.58 $1.49
Hong Kong On sale until Nov 20, 2026 -78% $10.83 $2.42
New Zealand $10.23
Chile $10.71
Mexico $10.73
Brazil $10.80
United States $10.99
Peru $11.19
Poland $11.27
Australia $11.57
Canada $11.68
South Africa $12.09
Sweden $12.32
Austria $12.38
Belgium $12.38
Bulgaria $12.38
Cyprus $12.38
Germany $12.38
Estonia $12.38
Spain $12.38
Finland $12.38
France $12.38
Greece $12.38
Croatia $12.38
Hungary $12.38
Ireland $12.38
Italy $12.38
Lithuania $12.38
Luxembourg $12.38
Latvia $12.38
Malta $12.38
Netherlands $12.38
Portugal $12.38
Romania $12.38
Slovenia $12.38
Slovakia $12.38
Denmark $12.44
Czechia $12.75
Norway $13.00
Colombia $13.24
United Kingdom $13.35
Switzerland $13.49

Click a country to see how to buy there; new to buying abroad? Here is how it works. Prices are as each eShop lists them: VAT included where the eShop includes it, US prices before sales tax, and for Canada we add the 5% federal tax Nintendo leaves out · fetched up to 2026-11-05 14:33 UTC.

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