Tanklet: Idle Fish Aquarium

Tanklet is a cozy aquarium game where you raise a tank of fish that's truly yours. Feed them, clean the tank, keep the water healthy, and watch them drift through a beautifully rendered aquarium — all the joy and companionship of fishkeeping, none of the cost or mess.

■ Care for your fish
Feed on schedule, clean the tank, and manage water quality. Well-cared-for fish stay healthy, happy, and earn more coins. Neglect them and they get listless or sick — but good care always brings them back. Your fish never die.

■ Rare visitors
Wild fish drop by from time to time. Feed them, keep the water clean, and set out the decorations they love — treat them well and they may stay for good. The rarer the visitor, the pickier they are.

■ Personalities & bonds
Every fish has its own personality. Greet them daily and serve their favorite treats to deepen your bond, unlocking little stories and rewards.

■ Collect & breed
From clownfish, blue tang and angelfish to golden arowana and koi, collect distinctive species and fill your codex. Breed pairs for offspring, with a chance at rare variants and shiny fish.

■ Eggs with honest odds
Hatch mystery eggs for new species — drop rates are disclosed before every purchase, with a pity system that guarantees rare finds.

■ Send fish on treasure hunts
Pick 1–2 fish for expeditions to the reef, a shipwreck, or the deep abyss. Hours later they return with coins, decorations — sometimes even pearls. Strong bonds and healthy fish bring better luck.

■ Make the tank yours
Buy and freely place plants, driftwood, rocks and more. Resize, restyle, and decorate your tank exactly how you like it.

■ More tanks, real ecosystems
Save up for a second and third tank: freshwater, saltwater and coral ecosystems each boost matching fish. Every tank has its own theme and decorations, and fish can move anytime.

■ Ambient Mode: put your tank in a room
Hide the interface and let your tank live in a warm little room. Nine rooms to swap — an indigo moon window, a brick loft, a green library, a coastal cottage… each room's light truly falls into the water. Keep the screen on and it becomes living furniture.

■ Grows while you're away
Close the app and your fish keep you company while coins keep accruing. Come back to collect offline earnings and see what happened.

■ Calm, anywhere
A Home Screen widget brings your tank to your desktop; soft water-sound ambience helps you unwind; iCloud keeps your tank in sync across devices.

No ads, no third-party SDKs, zero data collection — your tank is yours alone.

Subscribe to Tanklet+ for double coins, offline earnings extended 8→24 hours, auto-care while away, a monthly pearl gift, and exclusive decor.

Slow down. Keep some fish.

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