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2025-July 🏖️ Happy Summer! 🌭

Hey look! New puzzles and tutorials!

Enjoy!

No-op Calcudoku Puzzles by KrazyDad
6x6 size, 4-per-page, Volume 20

Each booklet contains a collection of 8 different puzzles, with the answers in the back.

The puzzles in this collection are arranged roughly in order of ascending difficulty. They will get much harder as you progress to higher book numbers.

These puzzles will print out 4-per-page. Click here for large-type 1-per-page versions.

These booklets are in PDF format and can be viewed/printed from any modern web browser. If you like these puzzles, also check out my other puzzles.

Solved them all? Let me know, and I'll make some more!