Simply click the icon of the extension. It might take some time for the extension to load, especially if it's the first time you have used the extension in a while. After a couple of seconds, a new ...

In Killer Sudoku fewer fields (if any) are filled out from the start though. On my Core i7 4770K solving an expert level puzzle (without any fields on the board) takes less than a second using this ...

The logic puzzle game Sudoku is now available in the Windows ... easy, medium, hard and expert level. The game allows users to set their difficulty levels and face fresh challenges daily.