Alien invasion this is a game about the defend Earth from alien invaders, in this beautiful game you control a super tank, the main task is to defend your territory as long as possible from alien ufo and bombs as well as collect the boxes of supplies that reset, your military cargo planes. Hold out as long as possible. alien invasion game, arcade game, tank game, defend earth, alien invaders, ufo game, space shooter, rocket game, supply boxes, cargo planes, mobile game, touch control, PC game, strategy game, survival game, retro game, sci-fi game, earth defense, online game, free to play, action game