A free sudoku game — play it in your browser, no install. Modern high-performance Sudoku game, backtracking solver, and player profile system.
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Controls: Select Cell: mouse click / Touch / Arrow Keys
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Open the live demo Source on GitHubA modern, high-performance Sudoku web application and logic solver built with pure web technologies (HTML5, Vanilla CSS3, ES6+ JavaScript).
Sudoku Pro is a modern, responsive, zero-dependency Sudoku game engineered for speed, mathematical rigor, and aesthetic appeal. It features a canonical backtracking solver, a unique puzzle generator, an explainable logical hint system, and an interactive visualizer.
Depth-first search that recursively fills empty cells with valid digits (1–9).
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