Killer Sudoku

8
6
13
9

How to Play

  • Fill the grid following standard Sudoku rules (1-9 in each row, column, and 3x3 box)
  • Additionally, numbers in each cage (outlined area) must sum to the number shown
  • Numbers cannot repeat within a cage
  • Click a cell to select it, then click a number to place it
  • Yellow numbers show the cage sum target
  • Gray cells are part of the puzzle and cannot be changed