Momentum

In the far-off year 2021, fossil fuels have run out! The brilliant Dr. Sebastian Lingshot, eccentric man of slingshot-science, has invented a nuclear slingshot to solve this transportation crisis. But nuclearity was banned as well! Can you and your iconic bulging muscles save car-kind? (Not the ones from the animated Cars movies with the eyes and stuff, just normal car-kind, don't worry)

Controls:

Fling car: Hold down left mouse button, move around to position car, then release button and hope for the best
Fullscreen: F8 (needs a click first on Firefox)