RULES AND FEATURES
Fly, you know, there's all sorts. On your space base is attacked by alien flight alien units. You need to defend and protect all buildings and structures of your base. To save Your nerves, report (and that the authors somehow forgot) guns control keys: A - left, S - middle, D - right. Aiming cannons - mouse.
You can play the game DEFENSE OF THE ALIENS online 24 hours a day for free. It is no need to download and install it on your computer, and it is also not required you to be the registered user. Just ckick and enjoy. See also a set of related games below on that you might be interested to look.