While big ARGs like I Love Bees and The Beast get most of the ink, there has been a steady stream of games built for very small audiences, without corporate sponsorship.
The San Francisco conference may well be the world's largest gathering of game developers, the place to keep an ear to the ground and to get business done.
What do the odd items inside a UPS package with no return address mean?
"Find the Lost Ring," whose story line is built around helping an amnesiac discover her lost identity, seems like a publicity vehicle for the Beijing Olympics.
Second Life may be the best-known virtual world, but it isn't the only one. That's a big point for techies gathering this week.
"Perplex City" gets cash infusion to help expand online mystery puzzle game.
Clues on "Perplex City" and coded postcards found in Bologna and North Carolina blend real-world signs and storytelling.
In her Tuesday keynote, the world-famous designer of alternate-reality games suggests a road map to a better quality of life.
A box arrived in the mail with clues related to an alternate-reality game that seems tied to this year's summer Olympics.
One of the world's leading designers of alternate-reality games tells CNET News.com about how her new Olympics-themed project came to be and what players can learn from it.