It's Watch the Skies, the game that invited a whole new generation to the genre. This is a megagame about international relations, conflict and high level diplomacy. It also involves mysterious and threatening aliens from outer space. The basic premise is that unknown aliens are increasingly visiting earth to abduct, investigate, terrorise and ultimately to subvert and take over or perhaps render earth weak enough to invade. The main part of the game is about how humanity as a collection of political entities decides to react to this.
