
Aizoku Sudoku
Pure logic, never guessing
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Free
In-App Purchases
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About
Aizoku is a different kind of sudoku. Instead of square cells, a board of octagons; and at every crossing, a rhombus that tells you about the digits around it.
The core rule is the classic one: no digit repeats in a row or a column. But there are no boxes here; the clues live in the rhombuses. Their color tells you whether the diagonals match:
• Magenta rhombus: both diagonals match.
• Blue rhombus: only one matches.
• Dark rhombus: neither matches.
Every board has a single solution and can be solved by pure logic, with no guessing, ever.
NINE BOARDS
Size and difficulty are chosen separately, which gives you nine different boards:
• Size: 5×5, 7×7 or 9×9.
• Difficulty: Beginner, Intermediate or Expert.
Difficulty does not just change how many digits you start with: it also changes how many colored clues the board carries. A Beginner board looks lit up; an Expert one, almost dark.
The 5×5 on Beginner and Intermediate is free and complete.
MEDALS AND RECORDS
No clock against you: time counts up and a game can never be lost. When you solve it you see your score, your time and the medal you earned: gold, silver or bronze.
Each of the nine boards keeps its own ten best scores, with name, date and the medal earned. On a shared tablet, everyone gets their own row.
WORLD RANKING
With the subscription your games compete: one table per board and per period — best of the week, the month and the year — and the periods roll over on their own.
ALSO
Notes, undo and redo, hints, error checking and automatic note cleanup. Eight languages. The whole game works offline: the only thing that needs a connection is competing.
Rescued and modernized from the 2012 original.
Aizoku Full — optional subscription
• Title: Aizoku Full
• Length: 1 month, auto-renewing
• Price: €1.99 per month (price may vary by country)
• Unlocks the 7×7 and 9×9 sizes, the Expert difficulty and the world ranking, and removes the waiting between games.
Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless you cancel it at least 24 hours before the end of the current period; your account is charged for renewal within those 24 hours. You can manage or cancel it in your account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.aizoku.com/privacidad.html
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What's New in Aizoku Sudoku
1.3
September 4, 2026
• In Records, it is now clear that each board opens its world ranking. • Notes mode is marked with a border instead of tinting the whole board.
Subscription plans
Aizoku Full
Tableros de 7x7 y 9x9, sin pausas.
$1.991 Month






