Killer Sudoku


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Killer Sudoku is a logic puzzle with simple rules and challenging solutions.

The rules of Killer Sudoku are simple:
1. The basic Sudoku rules apply.
2. The sum of all numbers in a cage must match the small number printed in its corner.
3. No number appears more than once in a cage.

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Killer Sudoku

Become a Patron

We are on a mission to make this website the largest collection of free, playable puzzles on the web. We are constantly adding new puzzle types, features, and improvements.

It is so exciting that you are interested in joining our community of puzzle-loving patrons! As a patron you will get some goodies in return (applies for all games):

  • The ads will disappear. The site will load faster as a result.
  • You will be able to go back 30 daily, 10 weekly and 5 monthly special puzzles.
  • A tempting "Give Up" button will appear, which will test your resistance, and eventually show the puzzle solution if you happen to click on it.
  • Some personal statistics and charts (under construction)
You have to login first.
Monthly plan
Set your monthly contribution
$
(most patrons choose $2 or more)
Annual plan
Set your annual contribution
$
(most patrons choose $15 or more)

Minimum contribution: Monthly: $1; Annual: $10

More Logic Puzzles:

www.puzzle-killer-sudoku.com
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