Killer Sudoku
Brainatee
Megafauna Software
SumSudoku: Killer Sudoku
Conceptis Ltd.
Killer Sudoku - Câu đố Sudoku
Oakever Games
Guru Puzzle Game
Killer Sudoku - Sudoku Puzzles
Relity Games
Sudoku Joy: Logic Number Games
JoyPuz
Killer Sudoku của Sudoku.com
Easybrain
Sudoku
ScieNext