The Daily Diagonal Sudoku

Play The Daily Diagonal Sudoku, the best online Sudoku game available for free! Test your skills daily and compete for a spot on the monthly leaderboards. Follow the classic Sudoku rules of no repeating digits in rows, columns, and houses, but with an added twist - all digits in the longest diagonals must also be different. Customize your gameplay with various options, such as using notes and marking possible digits. You can even have the game automatically cross out digits once they are placed correctly. If you're a beginner or prefer easier puzzles, choose the option to highlight mistakes. Plus, save your progress, or print puzzles to enjoy offline. Start playing now and become a Sudoku master!