Solve six connected 9×9 Sudoku faces. Every row, column and 3×3 block on each face must contain the digits 1–9 exactly once.
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Built for puzzle enthusiasts seeking more depth than standard flat 2D Sudoku boards.
Solve six connected 9×9 Sudoku faces. Every row, column and 3×3 block on each face must contain the digits 1–9 exactly once. An edge cell belongs to two faces and a corner cell to three. Its value must satisfy the rows, columns and blocks on every face it belongs to.
Get intelligent step-by-step logical hints when stuck, with real-time error detection, conflict highlighting, and auto-pencil candidates.
Compete against your best times, build win streaks, complete daily 9×9 puzzles, and track detailed performance analytics.
If you know standard 9×9 Sudoku, you are 90% ready. Here is how 3D spatial continuity changes the puzzle!
The cube consists of 6 faces. Each face features a full 9×9 grid with nine 3×3 blocks. Digits 1 to 9 must appear without duplicate in every block.
An edge cell belongs to two faces and a corner cell to three. Its value must satisfy the rows, columns and blocks on every face it belongs to.
Cells along cube corners connect three perpendicular faces simultaneously, providing deep, satisfying deductive logic.
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