What game devs can learn from Japan's most interesting puzzle magazine
Masyu - Wikipedia
Nikoli Puzzle - nikoli
Nikoli puzzle communication separate The connection point 4 (2013) ISBN: 4890724141 [Japanese Import]: editor: Tōkyō : Nikori, 2013.: 9784890724147: Amazon.com: Books
Puzzle Monday: Logic, Symmetry, and Astronomy - Atlas Obscura
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Puzzle Monday: Charting a Path Between Day and Night - Atlas Obscura
A Cleverly-Titled Logic Puzzle Blog: Monday Mutant 89: Pearls of Wisdom (torus)