In this game you must choose end of the world. Will it be caused by meteorites,earth quake,aliens or all together, its up on you to decide. By damaging and destroying buildings you will get score and achievements. Score will unlock new,better destruction weapons and achievements will give you some more time to complete your destruction and get the highest score. Each weapon will have its own overheat level. You will have to use other weapons after the weapon gets overheated. You can switch weapons with the red button and switch the location of destruction by clicking on the green map button.