You can solve the puzzle using the number + arrow keys, or the mouse. Use shift + number to toggle guesses, the space bar to clear a cell, and 'backspace' for undo. Press '=' to highlight the number in a cell.
A Killer Sudoku is the same as a Calcudoku puzzle, except:
You can also solve the puzzles on the iPhone/iPod Touch/iPad and the Kindle 3.
|The last 20 solved puzzles ( = by subscriber): (total )|
|Cell size for 9×9: small medium large|
Tomorrow's puzzles will appear in hour(s) and minute(s).Send your ideas and suggestions toAll puzzles published on this site are © Patrick Min. Order Killer Sudoku puzzles