Hard Some benefits of playing Sudoku may include reducing anxiety and stress and improving concentration, problem-solving skills, logical thinking, and memory.

Medium Some benefits of playing Sudoku may include reducing anxiety and stress and improving concentration, problem-solving skills, logical thinking, and memory.

Easy Some benefits of playing Sudoku may include reducing anxiety and stress and improving concentration, problem-solving skills, logical thinking, and memory.  

Hard Some benefits of playing Sudoku may include reducing anxiety and stress and improving concentration, problem-solving skills, logical thinking, and memory.

Medium Some benefits of playing Sudoku may include reducing anxiety and stress and improving concentration, problem-solving skills, logical thinking, and memory.