Ben 10 - Alien Force - Vilgax Attacks ROM Download available for Playstation Portable on Emu Games. Play Alien emulator game in the United States of America (USA) region version. Ben 10 - Alien Force - Vilgax Attacks is a PSP game that you can download to your computer or play online within your browser. You can also download free roms that work on all your devices in high quality such as Ben 10 Ultimate Alien Cosmic Destruction, Ben 10 Protector Of Earth and Ben 10 Omniverse.