Play Sudoku like a pro with our handheld game featuring over 2 million puzzles and 8 difficulty levels on our easy to read extra large LCD screen. Never be without a challenging Sudoku puzzle again. Compact game case with stylus touch screen function makes this game easy to take anywhere. Help mode for hints, timer, date, clock and alarm functions are also included. Storage pocket for stylus is built into the case. Full easy to read instruction manual included. Requires 2 “AAA” batteries, not included.