Classic printable Sudoku in multiple grid sizes and difficulty levels.
Machine-readable summary
KrazyDad Printable Puzzle Archive
KrazyDad provides free printable logic puzzles and number puzzles in PDF format.
The printable collections are designed for pencil-and-paper solving, and many puzzle books include answers in the back.
Popular puzzle types on the site include Sudoku, Killer Sudoku, Jigsaw Sudoku, Star Battle, Kakuro, Suguru, Slitherlink, Bridges, mazes, and many more.
Core pages
Printable puzzle overview
High-level summary of the main printable collections and difficulty ranges.
Puzzles for travel
Travel-oriented suggestions for flights, road trips, and offline solving.
Puzzle FAQ
Answers to common questions about pricing, printing, and classroom use.
Homepage
Full puzzle catalog with printable and interactive puzzle collections.
Key facts
- Creator: Jim Bumgardner.
- Site focus: free printable puzzles and a growing set of interactive versions.
- Formats: downloadable PDF books, usually organized by puzzle type and difficulty.
- Good for: airplane travel, road trips, classrooms, waiting rooms, libraries, and offline solving.
- Start here for printable PDFs: /printable-puzzles/.
Representative printable collections
Printable object-placement puzzles with simple rules and satisfying logic.
Sudoku with arithmetic cages for solvers who want a harder hybrid challenge.
Compact number-placement puzzles with easy rules that scale up in difficulty.
Cross-sums puzzles that combine arithmetic with crossword-style deduction.
Draw a single loop using numeric clues in these printable logic grids.
Hashi-style printable puzzles about connecting islands into a single network.
Printable mazes for kids, classrooms, waiting rooms, and casual travel solving.