外星人攻击

"The Earth is under attack! Evil alien forces from Mars are invading! The humanity last hope is a team of slightly forgotten heroes. Help Ramdo, Bernie, Mr. Zee, Ivan and Sgt. Pepper fight off those blue invaders! "

你的超级机枪自动射击,你只需要打击左边和右边,以避免致命的敌人激光