In this game robot are invading the world and you have to fight these robots to save the world.
You are given canons as weapons and have the option to choose between two canons, one canon with free bullets you can shoot as much as you want, and with the other canon you have to pay for the bullets with the coin you collected and this bullet has much higher impact than the free bullets.
You will receive coins every time you destroy the robots.
You live bar shown on the screen indicates the amount of live you have and it decreases when the robots hits the tank, but you can further increase your live bar by collecting the first aid boxes that falls randomly. If you have internet connection you can also earn 100 coins just by watching the video on the main page.