Jigsaw or Irregular Sudoku (Mini Sudoku Series #23)

This Jigsaw Sudoku is a notable entry in our Mini Sudoku Series, marking the 23rd puzzle in the collection. I created it as a 5x5 variant to make the concept of irregular regions more accessible, especially for younger solvers. The puzzle uses the same rules as standard Jigsaw Sudoku but on a smaller, more approachable grid.

I've also published a 6x6 Irregular Sudoku before, but I felt the 5x5 version was even better for teaching the core techniques. It's a great way to experience a classic variant in a mini format. Are you ready to tackle this Jigsaw Sudoku?

Rules of the Jigsaw Sudoku


Place a digit from 1 to 5 in each empty cell so that each digit appears exactly once in each row, column, and outlined region. Each outlined region is marked by thick borders.


Jigsaw Sudoku (Mini Sudoku Series #23)
Jigsaw Sudoku (Mini Sudoku Series #23)





Previous Mini Sudoku Series puzzle: Diagonal Sudoku or Sudoku X

Next Mini Sudoku Series puzzle: Classic Sudoku





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