PeterFrank was founded in 2000 by Peter De Schepper and Frank Coussement. Their internationally registered trademark, BrainSnack®, 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.
Also by Peter De Schepper
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Who wants to go a day without Sudoku? No one—especially not fans of these highly addictive and entertaining puzzles. They do their brain-sharpening, mind-melting daily workout to stay in top mental shape. And now they can have it, thanks to this colossal collection with a whopping 365 Sudoku; one for every single day of the year.