The following websites are no longer active:
http://www.landau-luckman-lake.com/
http://www.cfrg.us/
http://www.Coyotedispatch.com/
http://www.cypher-systems.com/
http://www.catalinafirst.com/
http://research.nru.us/
http://www.acheron.us/
http://www.thisisnotagame.com/
http://www.collectivegamingexperience.com/