Hello, this is my little game i was working at some time ago. Watch video to see whats going on there. You get points for jumping on other cars.
Its full playable engine with some not finished features. Adjusted to android devices but playable on pc too.
More info and quick guide in Game information file.
Project is free but you definetly should leave a review, and let me know what you made with this "engine".
End User Licence Agreement (EULA).