>>5255177All kinds of variables you could implement rules for, some already mentioned: drivers (and passengers?), car frames, upgrades from headlights to carburetors to exhausts to radio systems, road conditions, legal attention (cops), damage/malfunctions, maneuvers, prizes and prices and infamy/popularity, down time in between races, battle-racing (lol) like shooting/being shot at whole driving, and other hazards or Mario Kart/Twisted Metal type hijinks, other stuff...
Lots of unique ways you could make it your own.
