Enjoy your puzzles!

Click to download 👉 Insane Killer Sudoku, 4-per-page, Volume 26, Book 72 👈

My pet giraffe has strep throat! Help me buy a ladder by donating with PayPal.

| Thank you!!

Prefer to donate by mail or venmo? 👉 Here's how.

My Killer Sudoku books are available on Amazon in 4-per-page and LARGE PRINT 1-per-page versions, and in two different skill levels (regular and psycho).

Your purchases (and Amazon reviews) are a great way to support this free website!

Thank you!

All puzzles ©2005-2026 krazydad.com. Feel free to reproduce the puzzles for personal, church, school, hospital or institutional use. Please do not use my puzzles in for-profit publications without my permission. If you need free puzzles for your small circulation newspaper, or you would like to purchase puzzles for a book, periodical, app or website, contact me at dad@krazydad.com.

Contact Krazydad

Discord Community