Take a look at a game called DRAG. It's still in beta, but it has good reviews so far and does have a native Linux version. The devs seem to be pro-Linux. It lo

Take a look at a game called DRAG. It's still in beta, but it has good reviews so far and does have a native Linux version. The devs seem to be pro-Linux. It looks to be very much in the simulation category of racers.