It plays quite nice, the ai seems to stop at the stop signs, and I think the driving of the car isn't that hard. however, I get a trackmania feeling: I can move trough the ai car like if it were a ghost.
yes, that's because if they are rigid physics entities the player's car could get stuck into them
3D Gamestudio A8 Pro AMD FX 8350 4.00 Ghz 16GB RAM Gigabyte GeForce GTX 960 4GB
