Online Jigsaw or Irregular Sudoku

This Jigsaw or Irregular Sudoku is the same as Classic Sudoku, except that the small groups are in an irregular shape. The object of this game is to fill in all the squares with numbers 1 to 9, the numbers in a row or a column must not repeat, and also the numbers in a group must not repeat. The faster you finish the game, the higher your score. When you are stuck, you can use the hints, but you will be penalized.

These online Jigsaw Sudoku (Irregular Sudoku) Puzzles are computer-generated. If you are interested in solving Sudoku puzzles then you should check the following links for handmade challenging Sudoku puzzles.

List of Sudoku Puzzles and Brain Teasers

1) Handmade Jigsaw Sudoku Puzzles: These are handmade Jigsaw Sudoku puzzles with a grid size of 5x5, 6x6, and 9x9, etc. Solving these puzzles will definitely help you to improve your Sudoku solving skills. 

2) Sudoku Variations: Classic Sudoku Puzzles are the most famous Sudoku type. However, there are many different Sudoku variations. Do check these Sudoku variations on this Sudoku Variations Main Page.

3) Easy Mathematical Equations with Operators Brain Teasers: Sudoku puzzles are logical puzzles. However, if you like Sudoku puzzles, you will definitely like these Mathematical brain teasers.

4) Learning EPS (Encapsulated PostScript) for creating Puzzle and Sudoku Images: This last link is for the Sudoku players who create Sudoku puzzles. This tutorial will help them to create Puzzles and Sudoku images.