Sudoku Articles Tagged "Irregular (Jigsaw) Sudoku"
1 article about Irregular (Jigsaw) Sudoku — guides, techniques and strategy.
A Guide to Playing Irregular Jigsaw and Diagonal Sudoku
In Jigsaw Sudoku, the 3×3 boxes are replaced by irregular shapes. In Diagonal Sudoku, the two main d…
Aug 26, 2026