Use the randomizer to pick 4 different car classes for a single race to create traffic chaos. Conclusion
Set slots to "Random" or use a script to determine probability (e.g., 10:1 daytime to nighttime).
This article covers everything you need to know.
Limit your car randomization to a specific decade (e.g., the 1970s) but randomize the track to a modern Grade 1 FIA circuit like COTA or Yas Marina. The Karting Chaos
To ensure your randomized sessions are fun rather than frustrating, keep these rules of thumb in mind:
Can range from a vintage go-kart to a modern LMP1 prototype.