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Sudoku (数独 sūdoku, digit-single) - is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9.
The rules of Jigsaw Sudoku are similar to standard Sudoku, since you must place each of the numbers 1 to 9 (or 1 to whatever the size of the puzzle is) into each of the rows and columns. However whereas standard Sudoku also has rectangular boxes that must each contain every number, in Jigsaw Sudoku these boxes are replaced by different bold-lined shapes that must each contain every number instead. ©

100 challenging Sudoku Jigsaw puzzles
Level's progress save
Beautiful minimalist design, multiple pleasing color themes
10 ambient relaxing soundtracks
Steam Achievements
Trading Cards, Badge, Emoticons and Backgrounds (Coming soon)
Steam Cloud support
Enjoy on Windows, Mac and Linux

Sudoku Killer new release date - October 19

Greetings :)

We decided to postpone Sudoku Killer for a few weeks, it'll be available on

Friday, October 19, wishlist to stay updated!

https://store.steampowered.com/app/861270/Sudoku_Killer/
This will be the hardest Sudoku of all our Sudoku series, so prepare yourself. 100 killer levels will bring you hours of brain exercises. Wish you all good luck and have a great time playing our new game.

Reviews are really important for us

Positive. Negative. Whatever. We encourage you to write any thoughts you have about our games, you will make them better. Even few words will be enough. This is especially critical during launch week, so do not hesitate!

Sudoku Bundle

Sudoku Killer from launch date will be a part of our Sudoku Bundle (35% OFF), so all owners of Sudoku Universe or Jigsaw will be able to get it really cheap. Or it's just good chance to buy all of them if you haven't played any. They are really good :)