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Releasing at Gary Con – The Madness at Geneva Lake, a Call of Cthulhu adventure that weaves a little-known chapter of TSR’s history into a tale of cosmic horror

Releasing at Gary Con – The Madness at Geneva Lake, a Call of Cthulhu adventure that weaves a little-known chapter of TSR’s history into a tale of cosmic horror

Posted by Michael O'Brien on 26th Feb 2025

  Produced for Gary Con, a special Call of Cthulhu adventure Madness at Geneva Lake will be released at the convention. Written by Alyssa Faden and Gary Con founder Luke Gygax, this is a dread tale set in 1891 on the snow-dusted shores of Lake Geneva Wisconsin. This scenario brilliantly w … read more