Playing Re-Volt Online got increasingly simpler. Recently, there have been scheduled race events hosted by the community. To check the schedule, vist online.re-volt.io. If you're going to take part in the scheduled races, make sure to install the car- and track packs listed on that page.
If you don't have Re-Volt installed yet, you can download the full game at re-volt.io/downloads. It will always be the most recent version of RVGL.
Forwarding ports is only required if you want to host a race.
If you just want to join an existing room, all you have to do is join it by entering the Host's IP. This is explained in detail on the following pages.