Sudoku

Flash games replaced with HTML5

All Flash games on this website have been replaced with HTML5 – a standard technology which is natively supported by all popular browsers. In case you are experiencing any problems please contact us.

Sudoku tips

General

  • Start with the easy puzzles, and then move on to the harder ones.
  • Make small pencilmarks noting which numbers are allowed in the empty squares. This will help narrow down possibilities later on.
  • Always double check before placing a number.
  • Never guess! Only make moves based on logical deductions.

Note: There is only one unique solution for each puzzle.

When solving on paper

  • Use a soft erasable pencil and a high quality eraser.

When playing on a computer

  • Use Preferences options in toolbar for a better personal playing experience.
  • For faster solving, numbers can be placed by pointing mouse on the desired square and then typing with the keyboard.
  • Use pencilmarks to note which numbers are allowed in the empty squares. This will help narrow down possibilities later on.
  • When using the Highlight selected number option, selected numbers may be changed using the spacebar, arrow keys, or by clicking the number in the grid.
  • Same applies when using the Highlight excluded squares option.