Free Sudoku Online Puzzles: Five new sudoku puzzles every day, one for each level of difficulty. Puzzle can be played online, or printed. A half-finished puzzle can be saved for later. Click to visit Free Sudoku Puzzles.
Sudoku Tips: Sudoku is a logic-based number puzzle that does not involve arithmetic. Although first published in an American puzzle magazine in 1979, Sudoku gained popularity in Japan in 1986 before becoming an international craze in 2005. The goal is to enter a numerical digit from 1 through 9 in each cell of a 9x9 grid, without repeating a number in any row, column, or 3x3 sub-grid.... Continue reading Sudoku Tips