Mix Sudoku Light Volume 2

Giới thiệu

Are you really good at Sudoku? Find out with this challenging collection of 60 medium, hard and very hard Sudoku puzzles from 6 different variants, including Classic, Diagonal, Irregular, OddEven, Chain and Multi. Each puzzle is solved like a regular Sudoku with an additional twist according to the variant rules. There is only one unique solution for each puzzle.