Solve puzzles directly in your browser
Pick a grid size and difficulty, then click a cell to select it - its row, column and box light up so you always know your options. Wrong numbers turn red right away, Hint reveals one correct cell when you're stuck, and Undo takes back your last move. Besides classic sudoku, SudoCraft also lets you play Kropki, Samurai and Arrow sudoku - switch the puzzle type from the settings panel before starting a new game.