Web Sudoku Evil: How to Beat the Hardest Level on Web Sudoku
Plus Web Sudoku Evil is the hardest difficulty level on websudoku.com, the long-running free sudoku site. Evil puzzles start with the fewest given clues of any level on the site, and…
expert sudoku
247 Sudoku Expert: How to Beat the Hardest Difficulty Level
247 Sudoku Expert is the toughest of the four difficulty levels on 247sudoku.com — a free sudoku game from the 247 Games network. Expert grids come with very few given…