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Calcudoku is a logic puzzle (that uses a little bit of math) played on a grid. It’s a fun and challenging Sudoku Variation to play.

Free Calcudoku Puzzles

Grab your 6 free Calcudoku puzzles (and solutions) now.

More Calcudoku

Learn how to play Calcudoku or buy a Book of Calcudoku Puzzles.

How to play Calcudoku! Your complete guide to getting started
Buy Now: Calcudoku Puzzle Books

Happy Puzzling,

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