Aquarium Sudoku: Brain Puzzle

MSP AI, LLC · Games

Free

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Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 3, 2026
New version 1.11.0 → 1.11.2

What's new in 1.11.2 Fixes the end of week Catch League results, which are now finalized only for players who have unlocked the League. Internal improvements to how the game records what happens during a puzzle.

Sep 2, 2026
New version 1.10.0 → 1.11.0
Aug 27, 2026
New version 1.9.0 → 1.10.0
Aug 26, 2026
New version 1.5.1 → 1.9.0

In-app purchases · US

No in-app purchases.

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About

Dive into Aquarium Sudoku — a calming twist on the classic 9x9 number puzzle. Every puzzle you solve catches a new fish for your aquarium. Build a daily habit, keep your streak alive, and watch your tank come to life. WHY YOU'LL LOVE IT • Classic 9x9 Sudoku that reads your play and serves a board to match your level • A brand-new Daily Challenge every day to build your streak • Catch and collect fish for every puzzle you complete • Watch your fish grow as you collect duplicates • Unlock new tank themes as your collection grows • Earn coins for catches, wins and streaks, and spend them to stay in a run • Smart notes, hints, mistake tracking, and auto-complete for forced cells • Relaxing sounds and a clean, distraction-free design • Plays fully offline — no account, no sign-up THE CLASSIC PUZZLE, A REWARDING META Fill every row, column, and 3x3 box with the numbers 1 to 9. Simple to learn, endlessly engaging. Aquarium Sudoku keeps the purity of the puzzle while giving every solve a payoff: a new fish, a growing tank, a longer streak. DAILY CHALLENGE + STREAKS Finish the Daily to keep your streak alive. Any puzzle you complete counts — play your way. Start your collection today.

What's new · 1.11.2

What's new in 1.11.2 Fixes the end of week Catch League results, which are now finalized only for players who have unlocked the League. Internal improvements to how the game records what happens during a puzzle.

Details

DeveloperMSP AI, LLC
ReleasedJun 2026
UpdatedJul 2026
Version1.11.2
Size9.3 MB
RequiresiOS 15.0 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories GamesBoardPuzzle
Bundle IDai.nextad.aquariumsudoku