Mediatonic has released a trailer for Who's That Flying?!, its second PlayStation Minis game, a side-scrolling shooter crossed with tower defence and courtroom drama developed for PSP and PS3. Players take control of the mysterious and powerful creature known only as the Guardian of Earth. A sudden and devastating invasion of colossal Doom Beasts descends on the Earth's cities and causes havoc without his knowledge. The players' task is to save the Guardian of Earth's reputation, as well as the Earth itself, by defending the cities from ravenous hordes of Doom Beasts and defending the Guardian of Earth against accusations of gross incompetence from the Galactic Council of Justice. Who's That Flying?! will be available on October 12th.