Killer Sudoku โดย Sudoku.com
Easybrain
Killer Sudoku
Brainatee
Megafauna Software
SumSudoku: Killer Sudoku
Conceptis Ltd.
Killer Sudoku - ปริศนาซูโดกุ
Oakever Games
Killer Sudoku - Sudoku Puzzles
Relity Games
Sudoku Joy: ตรรกะซูโดกุ
JoyPuz
Sudoku
ScieNext
genina.com