141 puzzles ranging from simple brain warm-ups to serious and complex problems offer novices and Sudoku-addicts a variety of challenges. Train your brain with puzzles and keep your mind in smart shape! Expert puzzlers Peter De Schepper and Frank Coussement offer both new converts and Sudoku enthusiasts the opportunity to flex their mental muscles. No math required - just a bit of logic. An approachable introduction explains Sudoku rules and strategies, including the art of excluding (eliminating possibilities), situating (finding that box where only one number is possible), securing (a helpful way to look at patterns), and framesecuring (a technique puzzlers need mastery of when tackling the hardest of all Sudoku).
PeterFrank was founded in 2000 by Peter De Schepper and Frank Coussement. Their internationally registered trademark, BrainSnack(R), stands for challenging, language-independent, logical puzzles and mind games for kids, teens, and adults. It also stands for high quality puzzles. Whether they are made by hand like the visual puzzles or generated by computer like Sudoku, all puzzles are tested by the target group they were made for before using them. In order to guarantee that the computer generated puzzles can actually be solved by humans, they make programs that only use human logic algorithms.
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