Microsoft Sudoku
Play Microsoft Sudoku, the best free online sudoku game that will boost your logic skills. This brain-teaser from the Microsoft game collection offers two game modes for endless fun. Challenge yourself with classic sudoku puzzles, featuring 9x9 grids and standard 3x3 homes. With 3 hints per level, you'll have to strategically use your notes to solve each puzzle. Plus, you can highlight incorrect numbers to prevent duplicates as you play. But the excitement doesn't stop there. Explore the irregular levels available in 4 difficulty modes, where numbers must still be unique in every row, column, or house, but with random borders that are not square. If you're a free board game addict, this addictive puzzler is a must-play!