Now you can play Sudoku like you've never played it before. Colorful characters, cool music, and a Sudoku board that fights back. Listen, if you can't handle it, it's okay. Go read a book instead. That's a good thing too.
Learn about the Oni and why you should care about their fate (future) and how you can help by playing Sudoku.
Follow the links on this page to get the story of the Oni and their colorful universe.