The aim of the game is to fill the grid with the numbers 1 - 9. The only limitation is that you can't repeat any numbers in a row, column or 3x3 section. To view the answer visit www.odsoks.co.uk/sudoku.
Controls
To select a cell you can either click on it with the mouse or use the keys w,a,s,d to move the cursor.
To fill in a cell type 1-9 on the keyboard. Type 0 clear a cell. When you are done click the check answer button but be careful, you can only check three times.
You can start a game by clicking on the difficulty or by pressing the alt or control key and the first letter of the difficulty. To check a puzzle press ctrl or alt k.
