• Either click on the Play Now button above or look below and select the room that you wish to play in. The game will open in a new window.

Click "Start game" to start the puzzle.

When the game is started, you will see some numbers already placed on the 9x9 sudoku board.

The goal of this game is to fill in all the blanks using numbers from 1 to 9, each number should be placed only once in every column , row and 3x3 area.

When you have filled all the blanks, click "Check Board". If every blank is correct, you'll win. But if the window saying "board still contains error" appears, be patient and find out the mistake.