Metro Rail Simulator
If you like to play unity 3d simulator games, then maybe you will like to play Metro Rail Simulator, also. In Metro Rail Simulator, you are a metro train driver and your daily job is to drive a metro train, open doors, pickup passengers, close doors, drive to the next station, open doors, pickup new passengers and so on. So, if you ever wanted to be a metro train driver, now it's your occasion. Have fun.
To play Metro Rail Simulator, you will use arrow keys or W,A,S,D keys to drive and Q and E key to open and close the metro train doors.