Killer Sudoku combinations Rules
Killer Sudoku follows all standard Sudoku rules:
- Each row must contain numbers 1-9, without repetition
- Each column must contain numbers 1-9, without repetition
- Each 3x3 box must contain numbers 1-9, without repetition
Additionally, Killer Sudoku has special rules:
- The board is divided into irregular shapes called "cages" (shown in different colors)
- Each cage has a number in the top-left corner that shows the sum of all numbers in that cage
- Numbers cannot repeat within a cage
Use the combination calculator below to find all possible combinations that meet your target sum.
How to Play Killer Sudoku Combinations
You can interact with the game using the following methods:
- Mouse Operation: Click to select a cell, then click a number button below to fill in a number.
- Keyboard Operation: After selecting a cell, directly press number keys (1-9) to input numbers, or press Delete/Backspace to clear.
- Number Buttons: After selecting a cell, click the number buttons at the bottom of the screen to input numbers, or click "X" to clear.
Game Operation Steps:
- Click the "New Game" button to generate a Killer Sudoku game.
- Click the "Start Game" button to activate the timer.
- Correctly fill in numbers according to Sudoku rules and cage sum hints.
- The game automatically ends when all cells are filled correctly.
Tip: Use the combination calculator below to find all possible combinations that meet specific cage sum values!