Sudoku

Sudoku. As a logic puzzle, sudoku is also an excellent brain game. It is entirely a game of logic, so you don't have to be a mathematician to solve sudoku grids.

Live sudoku was born out of love for the game. Select difficulty level by clicking the text next to the big red title sudoku. Easy, medium, or hard puzzles, play them online or print them.

Enter your sudoku kingdom to play at the level of your choice:

This is the first of many sudoku tutorials based on sudoku guy's 25 lesson course. 24/7 sudoku offers all the difficulties a beginner or seasoned sudoku player will enjoy! You have to enter a numerical digit from 1 through 9 in each cell of a 9x9 grid made up of 3x3 regions, starting with various digits given in some cells. Play sudoku online for free.