Those evil aliens sure are dumb. They learned nothing from the humiliation of defeat at the battle of Starmageddon and continue to foolishly believe they can beat us. Here they come again intent on enslaving mankind, molesting our livestock and just generally being downright rude.
We're not gonna stand for that. You know what to do soldiergive 'em hell...
Shoot stuff. Collect stuff ejected from the stuff you just shot.
What are racing car games? This is the kind of games dealing with cars. There are lots of racing games, not only cars, but also motorcycles, trucks, vans and other kinds of vehicles.