19 Questions

Just think of something a common person would know about, then I ask you questions and guess what it is.

Play Now

Background

19 Questions is a machine-learning game that finds out about things by playing games with users. The algorithm is based on Bayesian statistics, compared to other similar games which are based neural networks.

See also: notes on the the Bayesian/entropy approach and the GitHub project.

Statistics

Questions in knowledge base:564
Objects in knowledge base:3,876
Connections in knowledge base:231,619
Games played:16,011
New user-submitted objects:31
Total object entropy:11.61 bits