Shooting Cars: Destroy The Enemies!

***HEY YOU!*** A group of super evil Aliens is planning to invade earth and YOU are the one in charge of the safety of the world population. They are armed with the latest technology, they have no mercy and they are trying to destroy mankind. *YOUR JOB IS TO ELIMINATE THEM ALL!!* The safety of our world is now at your hands! You need to start building your army ASAP. It will be made out of state of the art shooting cars. you will need to plan your expenses, buy new cars with the rising difficulty of alien invasion, upgrade your gear and abilities, merge cars to unlock special new cars and make as much money as you can to become the best defender for the earth! the future of the whole world is now at your hands. The world's population trusts you. Good luck!