It seems that the link points to a shared map that is being flooded by visitors, so opening the link is a sensory nightmare. Plus probably triggers some bugs due to the server overload. Visiting the frontpage and creating an empty race result in a still buggy but less buggy experience to at least understand what in the world is this.
It's very buggy. A full reload helps. Don't press too many buttons until you land. Then press F until the car appears. only enter when it stops. That's my experience with it
Here’s a little N64 style cozy flight sim I’m working on:
https://seattle64.benjasmin.chatgpt.site/