Initial PC Early Access
The Steam Early Access FAQ lists separate bike and rider physics, full multi-moto events via peer-to-peer multiplayer, lobbies, riding groups, several tracks, multiple bikes, rider and bike customization, and Easy Anti-Cheat.
Planned additions
The FAQ lists dedicated servers for up to 40 riders, more advanced ranking, dynamic terrain deformation, licensed manufacturer bikes and real-world championship content as plans during Early Access. Virtual MX’s September development update specifically places dynamic terrain deformation after the initial build.