Hard to explain, But it was the first online type of rpm game I ever played. It was played on things called BBS... Bulletin Board System.... You basically used you modem and called up a local or long distance server. Most of the time it was some guy with like 2-10 phone lines in his house. You would access his files and games. I remember my dad running one, and back in the day he was all excited about having a 6 disk changer in his computer.