Age of Invaders
Equipping the base on an alien planet, do not expect that you will be friendly and will help to develop. On the contrary, the locals probably perceive the appearance of hostile aliens, and it's in the best case. And in the worst happen what happened in the game Age of Invaders - attack. You do not have time to properly equip and strengthen the defensive tower, and the indigenous inhabitants of the planet began to attack. We'll have to repel the attack, and at the same time to modernize the tower and a laser gun. Try to destroy the flying enemy, until he found himself on the object. When they dropped the green bombs, you will just have to lick their wounds.