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2025-July 🏖️ Happy Summer! 🌭

Hey look! New puzzles and tutorials!

Enjoy!

No-op 4x Calcudoku Puzzles by KrazyDad, Volume 20

Each booklet contains a collection of 24 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 booklets are in PDF format and need the Adobe Acrobat Reader to view or print. If you like these puzzles, also check out my other puzzles.

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