The waves of enemies attack you, and it is up to you to save the city and avoit of catastrophy. Build your fighters as strategically as possible so the waves of enemies do not cross the end line. Super heroes have various attacks like: slowing down with ice, poisoning attack, but of course you will find classic and very effective shooters as well. The game has twenty levels and each is unique with its map. The characters are different, so you have to invent the best strategy and combination of attacks. Reach three stars in every level and defend your city. Have fun.