Being stressed because of number games is almost always welcome because it's stress you can control. The moment you figure out the patterns and the techniques that work, solving number puzzles will be very rewarding. In fact, that's the best thing about Sudoku. It's a game that may be stressing but gives you the most happiness. Get a copy today. | Number Stressed Sudoku Variants Puzzle Books by Senor Senor Sudoku, Paperback | Indigo Chapters