Images: Alternate reality games unfold
Clues on "Perplex City" and coded postcards found in Bologna and North Carolina blend real-world signs and storytelling.
Alternate reality games unfold
A postcard, replete with coded messages, found separately in Bologna, Italy and North Carolina.
Credit: Tranzed.net
Alternate reality games unfold
An image from the Perplex City Web site.
Credit: PerplexCity.com
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