UIFO DEFENSE HD

UIFO Defense has a special gameplay of tower defense. Your base is exposed to dangerous alien destroyer, they send an army to grab your energy crystal cores which are critical to science and technology of your civilization. Utilize the terrain and different turrets to eliminate enemies and protect your base. Key Features:Protect the energy cores: You have 15 energy cores in every base. Its top priority to defend the cores not to be grabbed by alien invaders.Eliminate alien invaders: Try best to ...