Killer Sudoku Online

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  • Killer Sudoku is also known as Sum Sudoku, which is a type of puzzle game that combines the features of KaKuro and Sudoku. Just like any other Sudoku, the columns, rows, and three by three blocks consist of numbers 1 to 9. Also, the dotted lines represent areas known as cages that contain a series of digits (non-repeated).
  • Puzzlemix.com: play Killer Sudoku puzzles with full online rating, comment and save system.
Killer Sudoku (also called Sum Sudoku) are a kind of hybrid puzzle that combine the best features of Sudoku and Kakuro (cross-sum) puzzles.Like a regular Sudoku, the rows, columns and 3x3 blocks contain the digits 1 thru 9. In addition, the dotted lines indicate areas, called

A sophisticated Sudoku puzzle. Welcome to Killer Sudoku - a logic puzzle with very simple rules and challenging solutions. Today's Puzzles. Easy Easy / Medium Medium Medium / Hard. All daily items change at midnight GMT. Can you fill every row, column and 3x3 block with the digits 1 to 9, whilst at the same time making sure the cage clues are satisfied? Play hard level Sudoku online on Sudoku.com. Our daily difficult web sudoku puzzles are suitable for people, who possess an excellent knowledge of sudoku game and know how to build a proper strategy to get a right solution in short terms.

cages, which also contain a set of non-repeating digits. If you add up the digits in a cage, you get the sum shown in its clue.

My Killer Sudoku puzzles are collected in 100 printable booklets per volume. Within each volume, the puzzles are also ordered by ascending difficulty (book 100 is harder than book 1, but book 1 volume 9 is about the same as book 1, volume 1). Each booklet contains eight puzzles, instructions, and answers.

Want to save some trees? Try the online version of these puzzles.

Need a cheat sheet? Print out this one-sheet of candidate cage sets which makes it easier to eliminate numbers.

My new series of Killer Sudoku books, available in 4-per-page and Large Print 1-per-page formats, are now available on Amazon.

A variety of skill levels are available. Your purchase (and Amazon review) helps support this website!


Select a difficulty level:


These puzzles require basic Sudoku strategy and Kakuro strategy. If you have not solved Kakuro puzzles before, you will probably find them quite difficult at first.


Volume 1 (1-per-page)(4-per-page)
Volume 2 (1-per-page)(4-per-page)
Volume 3 (1-per-page)(4-per-page)
Volume 4 (1-per-page)(4-per-page)
Volume 5 (1-per-page)(4-per-page)
Volume 6 (1-per-page)(4-per-page)
Volume 7 (1-per-page)(4-per-page)
Volume 8 (1-per-page)(4-per-page)
Volume 9 (1-per-page)(4-per-page)
Volume 10 (1-per-page)(4-per-page)
Volume 11 (1-per-page)(4-per-page)
Volume 12 (1-per-page)(4-per-page)
Volume 13 (1-per-page)(4-per-page)
Volume 14 (1-per-page)(4-per-page)
Volume 15 (1-per-page)(4-per-page)
Volume 16 (1-per-page)(4-per-page)
Volume 17 (1-per-page)(4-per-page)
Volume 18 (1-per-page)(4-per-page)
Volume 19 (1-per-page)(4-per-page)
Volume 20 (1-per-page)(4-per-page)


These puzzles require more sophisticated Sudoku strategy.


Volume 1 (1-per-page)(4-per-page)
Volume 2 (1-per-page)(4-per-page)
Volume 3 (1-per-page)(4-per-page)
Volume 4 (1-per-page)(4-per-page)
Volume 5 (1-per-page)(4-per-page)
Volume 6 (1-per-page)(4-per-page)
Volume 7 (1-per-page)(4-per-page)
Volume 8 (1-per-page)(4-per-page)
Volume 9 (1-per-page)(4-per-page)
Volume 10 (1-per-page)(4-per-page)
Volume 11 (1-per-page)(4-per-page)
Volume 12 (1-per-page)(4-per-page)
Volume 13 (1-per-page)(4-per-page)
Volume 14 (1-per-page)(4-per-page)
Volume 15 (1-per-page)(4-per-page)
Volume 16 (1-per-page)(4-per-page)
Volume 17 (1-per-page)(4-per-page)
Volume 18 (1-per-page)(4-per-page)
Volume 19 (1-per-page)(4-per-page)
Volume 20 (1-per-page)(4-per-page)

Dave green irregular sudoku
Tough puzzles require more advanced Sudoku strategy, such as X-Wing, XY-Wing and Swordfish.


Volume 1 (1-per-page)(4-per-page)
Volume 2 (1-per-page)(4-per-page)
Volume 3 (1-per-page)(4-per-page)
Volume 4 (1-per-page)(4-per-page)
Volume 5 (1-per-page)(4-per-page)
Volume 6 (1-per-page)(4-per-page)
Volume 7 (1-per-page)(4-per-page)
Volume 8 (1-per-page)(4-per-page)
Volume 9 (1-per-page)(4-per-page)
Volume 10 (1-per-page)(4-per-page)
Volume 11 (1-per-page)(4-per-page)
Volume 12 (1-per-page)(4-per-page)
Volume 13 (1-per-page)(4-per-page)
Volume 14 (1-per-page)(4-per-page)
Volume 15 (1-per-page)(4-per-page)
Volume 16 (1-per-page)(4-per-page)
Volume 17 (1-per-page)(4-per-page)
Volume 18 (1-per-page)(4-per-page)
Volume 19 (1-per-page)(4-per-page)
Volume 20 (1-per-page)(4-per-page)


These are the toughest Killer Sudokus I make, and may require a little trial-and-error to finish.


Volume 1 (1-per-page)(4-per-page)
Volume 2 (1-per-page)(4-per-page)
Volume 3 (1-per-page)(4-per-page)
Volume 4 (1-per-page)(4-per-page)
Volume 5 (1-per-page)(4-per-page)
Volume 6 (1-per-page)(4-per-page)
Volume 7 (1-per-page)(4-per-page)
Volume 8 (1-per-page)(4-per-page)
Volume 9 (1-per-page)(4-per-page)
Volume 10 (1-per-page)(4-per-page)
Volume 11 (1-per-page)(4-per-page)
Volume 12 (1-per-page)(4-per-page)
Volume 13 (1-per-page)(4-per-page)
Volume 14 (1-per-page)(4-per-page)
Volume 15 (1-per-page)(4-per-page)
Volume 16 (1-per-page)(4-per-page)
Volume 17 (1-per-page)(4-per-page)
Volume 18 (1-per-page)(4-per-page)
Volume 19 (1-per-page)(4-per-page)
Volume 20 (1-per-page)(4-per-page)


Prefer to donate by mail or Venmo? Here's how.

Easy Wait, didn't I just say the Super-Tough puzzles were the toughest I make? Well, I must be insane, because these new ones are actually even harder.


Volume 1 (1-per-page)(4-per-page)
Volume 2 (1-per-page)(4-per-page)
Volume 3 (1-per-page)(4-per-page)
Volume 4 (1-per-page)(4-per-page)
Volume 5 (1-per-page)(4-per-page)
Volume 6 (1-per-page)(4-per-page)
Volume 7 (1-per-page)(4-per-page)
Volume 8 (1-per-page)(4-per-page)
Volume 9 (1-per-page)(4-per-page)
Volume 10 (1-per-page)(4-per-page)
Volume 11 (1-per-page)(4-per-page)
Volume 12 (1-per-page)(4-per-page)
Volume 13 (1-per-page)(4-per-page)
Volume 14 (1-per-page)(4-per-page)
Volume 15 (1-per-page)(4-per-page)
Volume 16 (1-per-page)(4-per-page)
Volume 17 (1-per-page)(4-per-page)
Volume 18 (1-per-page)(4-per-page)

Killer Sudoku is also known as Sum Sudoku, which is a type of puzzle game that combines the features of KaKuro and Sudoku.

Just like any other Sudoku, the columns, rows, and three by three blocks consist of numbers 1 to 9.

Also, the dotted lines represent areas known as cages that contain a series of digits (non-repeated). When you sum up the numbers present in a cage, you will attain the sum displayed in the clue.

History

  • Killer Sudoku puzzles originated in Japan in the mid-1990s, and earlier, they were termed as “samunamupure.” The name – Killer Sudoku was given to the game for most English speaking countries.
  • In usual Sudoku puzzles, when you look at the grid layout, it is somewhat symmetrical around the horizontal, vertical axis and diagonal axis, or you can quarter/half-turn towards the center.
  • Killer Sudoku needs the player to have solver skills at mental math, and the most difficult ones take hours together to solve. So, you need to be sharp with mental arithmetic to stay in the game and solve the puzzles.

Goal

Killer Sudoku Online

  • The goal of the game is to fill in the grid using numbers from 1 to 9 in a fashion that the below-mentioned rules are followed
  • Every row, column & and no net consists of every number precisely once
  • The addition of all the amounts present in the cage should match the small number displayed in the corner.
  • In the cage, every number appears just once means they are not repeated. It is a standard rule of Killer Sudoku, which signifies that every pen can have nine cells only.
  • In this game, – ‘Killer X,’ is an added rule wherein every lengthy diagonal consists of each number just once. You need to follow the regulations and have excellent math skills to solve these puzzles.

Killer Sudoku Online 2011

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