• Free
  • Available where Java is
  • Clean interface
  • 'Pencil mark' / candidates drawing
  • Import, export, save and load your game
  • Open source
  • Game hints to help when you are stuck

Most importantly, it isn't finished! Send in or post on the forums about the ideas and direction that you have when playing Su Doku.

More features
  • Non-9x9 board sizes
  • Wacky icons