Sudoku Challenges

Fill empty cells with digits 1 to 9 using logical deduction and number placement strategies in the classic grid puzzle. Players progressively solve increasingly complex grids by applying row, column, and box constraints to complete the puzzle without guessing. The challenge lies in accurately filling numbers to meet Sudoku's unique placement rules while balancing difficulty for casual and younger players. Key Features • Logical deduction puzzle mechanic • Number input and candidate marking • Progressive grid difficulty levels • Auto-check and hint support • Minimalistic numeric grid design