Blast your way through hordes of extraterrestrial threats in Alien Syndrome for the PSP. This modern revival of the arcade classic is a fast-paced, top-down twin-stick shooter with deep RPG elements. As Earth Defense Force soldier Aileen Harding, you must investigate a distress signal from a distant colony infested with grotesque alien creatures. Choose from multiple character classes, collect hundreds of different armor pieces and weapons, and customize your warrior to suit your playstyle. Team up with a friend via ad-hoc co-op and unleash devastating firepower in this intense and loot-driven sci-fi action adventure.