Play our sudoku with 2000 levels (easy and hard)! Developed by www.goalmaniac.com
Sudoku is a logic-based number-placement puzzle. The objective is to fill a 9� grid so that each column, each row, and each of the nine 3� boxes (also called blocks or regions) contains the digits from 1 to 9 only one time each. The puzzle setter provides a partially completed grid.