Editing Sudoku (section)

=== Killer sudoku ===
{{Multiple image|direction=horizontal|align=right|image1=Killersudoku color.svg|image2=Killersudoku color solution.svg|width=150|caption1=A Killer Sudoku puzzle|caption2=And its solution}}
{{Main|Killer sudoku}}

The killer sudoku variant combines elements of sudoku and [[kakuro]]. A killer sudoku puzzle is made up of 'cages', typically depicted by boxes outlined with dashes or colours. The sum of the numbers in a cage is written in the top left corner of the cage, and numbers cannot be repeated in a cage.