Play Sudoku HTML5: Classic Brain Game for Mobile & Desktop

Test your problem-solving skills with the classic Sudoku game now playable on all devices! Fill the 9x9 grid so each row, column, and 3x3 section contains numbers 1-9 without repeats. Use logic to deduce missing numbers - no math required! Features include: Undo/redo moves, difficulty levels, automatic error checking, and progress saving. Whether you're a beginner or expert, our HTML5 version offers smooth gameplay on smartphones, tablets, and computers. Can you solve the puzzle without mistakes? Start your brain-training session now!