If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Anything goes when you're in the ring, so get crashing and smashing. Build up some skill to deal some serious damage when you smash into the other cars! Your health meter is shown on the top. Survive till the end inside the ring to complete others and move to the next level. Good Luck!
Use arrow keys to control your car.