More than one
I am just about finished with the Arena Truck A-Main. The others will be Gas Truck Monster Truck Sportsman Buggy and Expert Buggy. You can watch them online or download them. Haven't done any DVD's. I've played around with them but haven't had much luck as yet. They work on the computer but not on all DVD players for some reason. Haven't had the time to figure it out yet.
Griz