Sudoku FlowSudoku in 30 seconds
One solving technique per video, in about 30 seconds, from the easiest to the hardest. Every board and every step comes from the lessons in our Sudoku app.
Want more boards like this?
We also make a Sudoku app for iPhone, iPad, Mac and Android. There are no ads in it at all, it works offline, and when you ask for a hint it shows you the technique instead of just filling in a number.
Sudoku Flow is made by Rubigo Games, the developer of the Sudoku app recommended on this site.