The present invention relates to the use of client and server software communicating with each other via the internet to create and maintain a multi-user role-playing game. The virtual world of the game is presented to each user by means of text and dimensional audio. The virtual world of the game is...http://www.google.de/patents/US6106399?utm_source=gb-gplus-sharePatent US6106399 - Internet audio multi-user roleplaying game