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January 2022

The Krazydad Discord server is a new place where you can talk to me, and meet other people who are interested in puzzles. You can report problems or mistakes with this website, suggest new features or new puzzles, get periodic announcements from me, or discuss the theory-of-puzzles and other deep thoughts. Maybe I'll see you there!

Interactive Puzzles by Krazydad

Thousands of free interactive sudoku and logic puzzles.

Solve in your web-browser, or on an iPad, Kindle Fire or Android tablet.