19 Questions

19 Questions is an online guessing game written by Will Entriken. Just think of something a common person would know about, then I ask you questions and try to guess what it is.

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Background

19 Questions learns while you play. This game is a demonstration of machine learning and a branch of math called Bayesian statistics. There is another similar game on the market 20Q by Radica which is based on neural networks, a different type of machine learning.

Status

2012-05-09 -- Updated wording to make it more clear how to play. Now we give up (no option to continue) after 40 questions!

2012-04-10 -- Face lift, looks prettier now.

2009-12-09 -- Online for testing, please give feedback.

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Statistics

Total games played:15952
Questions in knowledge base:564
Objects in knowledge base:3851
New objects from users not approved yet:6
Total connections231174
Total object entropy:NAN bits