Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers--1 to 9--but with an added Deadly twist.
Hints to solve the puzz.
The aim is to not only complete every row, column, and cube so that it contains the digits 1 to 9, but to also fill in the outlined cubes so they add up to the same number.
This time there is an element of arithmetic involved and there are few, if any, clues.
Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers--1 to 9--but with an added Deadly twist