Multi player was rather poor
This game has you piloting various Earth air and ground vehicles in order to stop an alien invasion, hence the title of the game. There's also a skirmish option which is basically a "kill everything" mode where you can fly either a human or an alien spaceship, the weapons and enemies get progressively better as you manage to kill more and more of them. There's no real point to the mode other than to get a high score, but it's fun nonetheless.
One of the good things about this game was the controls of the craft. There were helicopters, planes and alien fighters, each having their own controls, strengths and weaknesses. The planes are the fastest, the helicopters have a better turning circle and the alien space fighters have some alien propulsion system allowing them to fly fast as well as stop and hover. As far as the single player missions go, they're set over severa...