The document describes the design of an alternate reality game called the Arcane Gallery of Gadgetry. It discusses alternate reality games and how they tell interactive stories using real-world environments. It also explores how ARGs can promote new literacies as players gather and evaluate information to solve puzzles. The document then outlines various design issues for ARGs and presents the Arcane Gallery of Gadgetry as a design case study. Initial results from the first season showed players enjoyed how real it felt and the teamwork needed to solve the mystery. The document concludes with implications for embedding story content and technology.