Numberpuzzles.com is pleased to offer a growing selection of math and logic puzzles.

We also provide content to publishers, electronic media and game developers. We have puzzles and solutions in XML and print-ready format, and can provide custom content and format as required.

• Classic Sudoku or Number Place
• Sudoku-X
• Kakuro or Cross Sums
• Fusion also called Samunamupure or Killer Sudoku
• SlitherLink
• Hitori
• Masyu or Pearls
• Nurikabe
• Mathdoku

Our puzzles are carefully graded, and rigorously tested to ensure that they have exactly one solution.

Please feel free to download our samples or contact us with your requirements.