What is Killer Sudoku? How to Play Killer Sudoku - Mastering Sudoku

Killer Sudoku is a Sudoku variant where ‘cages’ (usually outlined by a dotted line or highlighted in different colors) are used as clues instead of given digits in the grid. These cages will have a number in the upper left … What is Killer Sudoku? How to Play Killer Sudoku Read More »

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