One of the best online motorsport manager game. Maybe the best. :)
A lot of championship, national and regional league. You can drive races daily, or weekly, as you choose. Of course against real users, on more than 150 real racetracks with real calendar!
Some of the categories: - Formula 1 - Indy - NASC Gold Cup - Formula E - Formula 2 - Formula 3 - GT and other touring cars - Motorbike - DTM - WTCC - ETCC - V8 Supercars