20q.net: 20Q.Net Inc.
The original online game that spawned the 2004 Toy of the Year produced under license to Mattel.
barelybad.com: 20 Questtions Game
Jump to Sampler of Beginning Questions?: is the best-known question in 20 Questions, the second best-known is "Is it bigger than a breadbox?"
Add Site or Add URL to Submit Site to the Twenty Questions Directory