I think you're gonna like the new STAR BATTLE puzzles. I'm kind of addicted to the online ones right now. The new Binox are okay too, 'though maybe a bit too easy. What do you think?
sudoku preview

Sudoku Printables

Here are thousands of free Sudoku puzzles to print. Each booklet of printable Sudoku contains eight puzzles, instructions, hints and answers. If you like these puzzles, check out my other puzzles too!

Want to save some trees? Try my Interactive Sudoku, an online version of these puzzles that works on your browser or iPad.

Krazydad Sudokus are also available in a daily puzzle (for print or online).

Here's a blank sudoku grid in case you need to start over.

Select a difficulty level:

Click here for the interactive puzzles
Insane sudoku are the hardest sudoku I offer. They cannot be solved without making guesses. I provide an extra scratch area on these puzzles for working out the solution, but it won't be much help!