Collect rockets on the road and then press fire button to launch a rocket to explode car. Also you need to collect gas or the game will be over. Avoid collisions with other cars. Enjoy!
Demo http://codecanyon.net/item/road-killer-with-admob-and-leaderboard/11103251
Downloadhttps://www.filecad.com/icbU/Road-Killer-with-AdMob-and-Leaderboard.rar