RULES AND FEATURES
Many years have passed since then, as our once blue planet has become so deplorable. Endless war and alien invasion have left chances of survival of the former nature. Well, You need to protect what is left. The aliens are trying to destroy Your earthly base, so immediately jump on the defensive. Shoot at all units of the enemy and prevent they flew to the base of the shot distance. In Your database, however, a fair stock of weapons, which can be connected gradually, level by level, earning money. The enemy, of course, also will strengthen the attack and weapons. Very solid and interesting shooter.
You can play the game PROTECTION OF THE EARTH'S BASE 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.