The classic retro shooter comes to the PlayStationVita system. Better than ever before! • 60 frames per second, native resolution visuals • Improved graphical effects • Enhanced lighting and particle systems - bigger guns, even bigger explosions • Better radar • New, easier to fly 'anti-grav' space ship added • Remixed soundtrack by CoLDSToRAGE Get your retro on and rid the galaxy of the alien infestation! Some functions and features may not be available on PlayStation TV.