Difficulty-based puzzle series
Calcudoku Puzzles
The MentCraft Calcudoku Puzzles collection contains twelve generated books combining arithmetic constraints with row-and-column logic.
4 difficulty levels12 generated volumesComplete solutions10-page previews
Books
Twelve volumes across four difficulty levels.
Easy, Medium, Hard and Expert each contain three volumes.
Easy
Easy · Volumes 1–3
Three generated volumes at the Easy difficulty level.
Medium
Medium · Volumes 1–3
Three generated volumes at the Medium difficulty level.
Hard
Hard · Volumes 1–3
Three generated volumes at the Hard difficulty level.
Expert
Expert · Volumes 1–3
Three generated volumes at the Expert difficulty level.
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Inequality-based logic grids across four difficulty levels.
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