Sudoku Uno

Play & master Sudoku. Improve your Sudoku skills by accepting the occasional hint. Sudoku Uno explains the reasoning behind hints. Learn and apply new solving techniques. Sudoku Uno can create a virtually infinite number of Sudoku boards. Difficulty levels are determined by techniques to master, not by number of givens. Sudoku Uno includes a powerful solver. Unlike most Sudoku solvers, Sudok…