Sandwich Sudoku
Studio Goya LLC
Sandwich!
Popcore Games
Sudoku
ScieNext
Flyfox Games
AI Factory Limited
Tim O's Studios, LLC
Sudoku & Variants by Logic Wiz
Logic-Wiz
Killer Sudoku โดย Sudoku.com
Easybrain
MultiSudoku: Samurai Sudoku
Conceptis Ltd.
Jigsaw Sudoku
Brainatee