Challenge your mind every day with new 5 puzzles in Daily Sudoku 2. Play through beginner, easy, medium, hard and expert level puzzles. Watch video advertisements to unlock puzzles for the rest of the month. The goal in sudoku is to fill the 9x9 board with numbers 1 through 9 without repeating any number in a column, row, or 3x3 region. Build up your score by placing correct numbers and finishing puzzles quickly. If you're struggling with a puzzle, in-game hints are available!