As with most flight simulators, the game initially plays out in two modes. Campaign and Arcade, with a third, Tour thrown in for giggles. In arcade mode, you're thrown up into the skies with one sole mission objective; destroy as many UFOs as humanly possible. The aim of this mode is to gain the highest score in the shortest amount of time possible. Campaign mode on the other hand is quite a bit different. In this mode you take the role of the planes pilot as you fly through 16 unique missions aimed at getting you from rookie to professional.