Printable Sudoku
- Binary
- Chain Sudoku
- Consecutive
- Cross Sudoku
- Flower Sudoku
- Frame Sudoku
- Futoshiki
- Greater Than
- Jigsaw Sudoku
- Kakuro
- KenKen
- Killer Sudoku
- Kropki Sudoku
- Little Killer
- Magic Squares
- Odd Even Sudoku
- Outside Sudoku
- Rossini Sudoku
- Samurai Sudoku
- Sandwich
- Skyscraper
- Sohei Sudoku
- Star Battle
- Sudoku
- Sudoku Mine
- Sudoku XV
- Sujiken
- Tripledoku
- Tripod Sudoku
- Twodoku
- Vudoku
- Windmill
Play / Solve
- Home»
- Killer Sudoku»
- Easy
Easy Killer Sudoku Puzzles
Killer Sudoku, also known as Sums Sudoku or Kakuro, is a logic puzzle that combines the best of Sudoku and Kakuro. It offers a challenging twist on the classic Sudoku format, demanding sharp logic and deduction skills to solve.
Showing 1-15 of 26 records
Sort by:
8x8 Killer Sudoku - Easy - 9
8x8 Killer Sudoku - Easy - 1
4x4 Killer Sudoku - Easy - 1
6x6 Killer Sudoku - Easy - 1
4x4 Killer Sudoku - Easy - 5
6x6 Killer Sudoku - Easy - 9
4x4 Killer Sudoku - Easy - 6
4x4 Killer Sudoku - Easy - 7
4x4 Killer Sudoku - Easy - 8
6x6 Killer Sudoku - Easy - 2
6x6 Killer Sudoku - Easy - 3
6x6 Killer Sudoku - Easy - 4
6x6 Killer Sudoku - Easy - 5
6x6 Killer Sudoku - Easy - 6
6x6 Killer Sudoku - Easy - 7
The Rules of the Game:
- The objective is to fill a 9x9 grid with numbers 1-9, ensuring each row, column, and 3x3 block follows the standard Sudoku rule of having no repeats.
- The grid is further divided into cages, outlined by bold lines, that enclose several cells.
- Each cage has a unique sum displayed in the top-left corner, representing the total value of all the numbers within that cage.
Unlike Sudoku, where the initial numbers provide a starting point, Killer Sudoku presents a blank grid with only cage sums. This lack of initial clues demands a strategic approach, where players must use the cage sums and Sudoku rules in tandem to deduce the correct placements.
Strategies to Crack the Code:
- Scanning for Uniques: Identify cages with a sum that can only be achieved with a specific combination of numbers. For example, a cage with a sum of 3 can only hold a 1 and a 2.
- Cage Subtraction: Analyze larger cages alongside complete rows or columns. By subtracting the known sums from the total value (45 for a row/column), you can reveal the missing numbers within the cage.
- X-Wing and Swordfish Techniques: These advanced techniques, borrowed from Sudoku solving, help eliminate possibilities in rows and columns based on cage restrictions.
The deceptive simplicity of the rules combined with the depth of strategic possibilities makes Killer Sudoku a captivating puzzle for logic enthusiasts. It offers a satisfying mental workout, improving critical thinking and deduction skills.