SudoSketch
Free online Sudoku you can write in
SudoSketch makes online Sudoku feel like paper. Write numbers directly into the grid with Apple Pencil, stylus or finger, or use the classic keypad. Play six difficulty levels and daily challenges, print puzzles, learn techniques interactively, and ask Sudoku Coach for the next logical move without revealing the whole solution. It is free, browser-based and requires no account.
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