Jigsaw (or irregularly shaped) Sudoku puzzles share the same rules with classic Sudoku. The only difference is that the nine nets are, well, irregularly shaped. This makes the puzzles slightly harder than the original Sudoku and surely more entertaining, because every puzzle has a unique net design and therefore, they can never become boring.
DJAPE is the author of over 40 puzzle books and a dozen of puzzle games for Amazon Kindle, ranging from Sudoku variants such as Killer Sudoku and Samurai Sudoku to Kakuro, TriDoku, Hidoku, CalcuDoku and Picross/Hanjie/Griddlers/Nonograms puzzles. Also, Djape contributes regularly to newspapers and magazines across the globe, including The Washington Post. Currently Djape is working on his PhD thesis in Computer Science. Likes sailing, dancing tango, playing bridge and traveling.