About Indigo Puzzles

Join Indigo Puzzles today and get:

  • Free Daily Sudoku and Kakuro puzzles
  • The amazing Sudoku-san Assistants!
  • The Vault
  • Enter Your Own puzzle
  • Save your puzzle for later
  • And much more to come!

Why not Sign Up - it's free!

Indigo Puzzles is the website of Alastair Chisholm, author of Sudoku for Kids, the Kakuro Challenge, Kakuro for Kids and many other puzzle books.

Indigo Puzzles builds on the phenomonal success of the Sudoku-san and Kakuro-san websites, whose free daily puzzles and interactive Assistants have helped tens of thousands of puzzle fanatics to test their skills, improve their techniques and destroy their productivity!

With new puzzles, new Assistants and new features on the way, Indigo Puzzles aims to be your one-stop shop for all your puzzle needs - and if you think there's something missing, let us know!

Get In Touch

Want to help? Got a puzzle you'd like us to feature? Or just want to chew the fat? (Scottish expression - not as disgusting as it sounds). Why not get in touch?

We'd love to hear from you, so give us a shout, here.