Math skills are NOT required for Sudoku You can have fun and sharpen your mind at the same time.
There are six levels (Beginner, Easy, Medium, Hard, Very Hard, and Extreme) and they come in various co.
VARIETY OF LEVELS: David Karn Sudoku books are available in one or a mix of several levels of difficulty.
Mental games are Very good for your memory, they increase your brain power, and help delay dementia and Alzheimer\'s.
Math skills are NOT required for Sudoku You can have fun and sharpen your mind at the same time