Enter an irregular Sudoku online at sudoku-puzzles-online.com
Check your irregular sudoku atInvalid parameters!
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Our irregular Sudoku puzzles are 9 X 9 sudoku. Instead of having nine 3 X 3 square areas, these 9 areas are irregular shapes. The rules are the same as for a classic sudoku. You need to find by deduction nine different digits by row, column and area.
We recommend Google Chrome which is easy to use and displays with impressive speed advice and various solutions sent by the server.
This page allows you to enter the solution of an irregular sudoku grid.
Entering a number with the mouse:
Entering a number with the keyboard:
The numbers in blue are those of the puzzle and cannot be changed.
The button (Possibilities for all squares) displays all the candidates for all the squares in the grid.
The button (Tip for a square) displays all the squares which accept a solution with the basic solving methods. This aid is very useful and sometimes disconcerting for beginners wanting to learn about this version of Sudoku.