Sudoku – A Clean, Modern Puzzle Experience
Rediscover the timeless logic challenge of Sudoku, re-imagined for the modern web. Built for beginners. Loved by experts. Perfect for anyone who enjoys a good puzzle.
No ads. No clutter. Just you, the grid, and the thrill of solving.
🎮 Features
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Multiple Grid Sizes Go beyond the classic 9x9. Try quick 4x4 puzzles or the refreshing twist of 6x6 grids.
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Four Difficulty Levels From Easy to Expert, each puzzle is algorithmically generated to be unique and always solvable.
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Clean, Responsive Design Optimized for both desktop and mobile—play anytime, anywhere.
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Undo & Redo Made a mistake? Step back or forward with ease (Ctrl+Z / Ctrl+Y).
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Smart Hints Stuck? Get a gentle nudge without spoiling the solution.
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Instant Error Checking Highlight incorrect entries at any time—perfect for learning or refining your skills.
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Auto Save Leave anytime and return without missing a beat. Your game, timer, and history are saved automatically.
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Light & Dark Themes Choose the look that fits your mood or lighting.
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Keyboard Friendly Navigate and play entirely with your keyboard for fast, fluid control.
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Toggleable Sound Effects Subtle feedback to enhance focus—easily turned off in settings.
🧠 How to Play
The objective: fill every row, column, and sub-grid with each number exactly once.
Mouse Controls
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Click a cell to select.
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Use the number palette to fill or erase.
Keyboard Controls
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Arrow Keys – Move between cells
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1–9 – Enter a number
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Backspace/Delete – Erase a number
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Ctrl+Z – Undo
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Ctrl+Y – Redo