Sudoku Variants

Everyone knows sudoku is enjoyable - but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no time to finish . . . or require many hours. This entertaining collection showcases a wide range of possibilities, offering solvers who have become accustomed to the standard rules and grids an exciting new challenge. Select from Mega Sudokus that provide a real workout; Diagonals or Odd and Even versions with extra constraints; Sum Sudokus that merge with kakuro; and Multisudoku with overlapping puzzles. There’s something for every level - 12 x 12 puzzles, ones with irregularly shaped areas, even Mini Sudoku - and lots of fun for everyone.