PUZTIMEPuztime is Gakken’s comprehensive online puzzle portal designed for puzzle lovers all over the world. offers a variety of puzzles including unique variations of Number Place, Illust Logic puzzles that reveal whimsical images when completed, Cross Sums with Chinese characters, mazes and much more.
MathpuzzleA great collection of Fair Dice, Iamonds, Eternity, Mazes, Atom Stability, Dissections, Kites&Bricks, Triangles, Retrograde, Pentagons, Prize Problems, Books, Links, Chaos Tiles, and Partridges by Ed Pegg Jr.
Peter PuzzlePuzzle projects by Peter Grabarchuk, including puzzle products, books and publications, web puzzles and other puzzle activities.
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