Sudoku or Soduku?

If one searches the Net, he will find that there are at least 2 different spelling regarding this game! Some uses Sudoku, some uses Soduku but they are both the same.

There are many on-line information and resources one can use regarding this game, one have to make use of both the words in order not to miss out good resources. For example one of my favorite on-line Sudoku is http://www.soduku.org You will find a lot of sudoku puzzle ranging from easy, medium, hard and insane!