They searched for new sources of energy and labor. The aliens were attracted by beauty and rich variety of PlayCity, so they decided to conquer it and enslave its residents. The true patriots rise in rebellion against the conquerors to protect their home. Now the destiny of MyPlayCity is in their hands and only they can answer the question whether or not their city will become the next plunder of the belligerent aliens.
Software that can be used as an alternative to UFO Killer: