Are you ready to challenge your brain in these sudoku puzzles? There are three modes for you to master, easy, medium and hard.
How to play: Click or tap to place the numbers on the board.
Ultimate Sudoku is an online puzzle game that we hand picked for Lagged.com. This is one of our favorite mobile puzzle games that we have to play. Simply click the big play button to start having fun. If you want more titles like this, then check out Pipe or Connect the Dots. To play even more free games, view our all time top games page.