Killer Sudoku Online

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A sophisticated Sudoku puzzle. Killer Sudoku: Fill all the blocks with 1-9 according to the following rules: 1.The numbers in a row or column must not repeat 2.The numbers in each of the nine 3x3 groups must not repeat 3.The numbers in each red box must not repeat, and they must add up to the number shown in the red box. Killer Sudoku is a popular variation on the classic Sudoku puzzles. Regular Sudoku rules apply. In addition, the numbers within each outlined region (Cage) must sum to the indicated value, and numbers may not repeat within these cages. The puzzle begins blank, but these rules give you all the information you need to solve it! A sophisticated Sudoku puzzle.

Killer Sudoku Online Daily

Welcome to killer sudoku online. Your online source of killer sudokus.

Killer Sudoku Solver

There are five puzzles on this page: two killer sudoku puzzles and two “greater than” sudoku puzzles and one “greater than-killer” sudoku puzzle. You can play any of them online or print them out to play offline. Older puzzles are in the archives. Older puzzles are also listed by difficulty. Generally, the weekly puzzles are harder than the daily puzzle. Have Fun!

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Killer Sudoku for 2/9/2021

Sudoku
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Puzzles get harder as the week progresses, with Sunday's puzzle generally being the hardest. However, for those of you who want something harder to work on during the week, we also have a harder killer board here. A new one will be presented each week. Solutions for the daily puzzle are posted the following day in the archives. Solutions to the weekly puzzle are posted a week later, also in the archives.

Killer Sudoku for the week starting 2/8/2021

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If you are getting stuck on the weekly puzzles you might check out tips for weekly24 and tips for weekly28

Killer

If you are looking for something a bit different, why not try out our “Greater Than” or our “Greater Than” Killer sudoku puzzles. Regular sudoku rules apply with the additional requirement that if a >, <, or = sign appear between two cells (or cages) then the values in the cells (or cages) must obey the relation. Let us know if you like these puzzles and how hard you find them.

Greater Than Sudoku for 2/9/2021

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Greater Than Sudoku for the week starting 2/8/2021

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Greater Than Killer Sudoku for the week starting 2/8/2021

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