About Hexadoku
Take Sudoku to the next level with a challenging hexagonal board.
Think you've mastered classic Sudoku?
HexaDoku takes the concept much further, using a 16×16 hexadecimal grid where you must place the following symbols:
0 1 2 3 4 5 6 7 8 9 A B C D E F
Each row, column, and 4×4 block must contain all the symbols without repetition.
Get ready for one of the greatest logic challenges ever created for Android devices.
What's new in the latest 1.1
Last updated on 2026-08-15
Welcome to HexaDoku!
• Brand-new Hexadecimal Sudoku (16×16).
• Three difficulty levels.
• Randomly generated puzzles with unique solutions.
• Smooth zoom and pan controls.
• Notes and hint system.
• Light and dark themes.
• Optimized for phones and tablets.
• Performance and stability improvements.
• Brand-new Hexadecimal Sudoku (16×16).
• Three difficulty levels.
• Randomly generated puzzles with unique solutions.
• Smooth zoom and pan controls.
• Notes and hint system.
• Light and dark themes.
• Optimized for phones and tablets.
• Performance and stability improvements.
Old Versions of Hexadoku
59.1 MBAug 15, 2026
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