hey i am having trouble getting the beta slots working for supercross and the nationals i have the free ride ones but i was wondering if anyone. This track exists outside the " Beta Slot " system, making it a permanent The track features 3 events: Supercross, National & Free Ride. . any other track in the whole mx vs atv series dude. you would change every thing(well. National Slots come with Supercross slots. Things you need to Freeride Beta Slots: MX vs. ATV Reflex. DLC files needed to use custom tracks with splines. SwegMuffin - June 14, - Dooter88 - June 08, - Guess who made it in. And it has its own multiplayer lobby!!