3D Unity racing game Speedifen accepts the identity of the driver of the bus, which has at its bus bomb and ten passengers, who must save before the deadly explosion. Drive around the city and watch out for your speed, if you drive less than 50 miles per hour, so the bomb explodes. Passengers try to land at checkpoints that look like a yellow castle. A devastating bomb was armed on this bus, and now the vehicle can not stop completely. Also, because of the driver, you should be careful not to hit other cars while trying to save the life of innocent passengers. Reduce speed and make people jump in areas without traffic. Good luck!