X-COM: UFO Defense

User summary: A tactical, turn-based strategy game designed by Julian Gollop that expands upon his earlier game Laser Squad. The goal of the game is to stop alien invasion of the Earth. This is accomplished by shooting down alien vessels, defeating or capturing the surviving aliens, researching new technologies to improve available weapons and vehicles, and eventually attacking the enemy bases. Reimplemented by the original developers, Julian and Nick Gollop as Laser Squad Nemesis Inspired on the movie "Invasion: UFO"