Ｓｐａｃｅ Ｉｎｖａｄｅｒｓ： Ｖｕｌｎｅｒａｂｌｅ "The Classic Game... with a tiwst!" Controls: A, D | Move W | Shoot In Space Invaders: Vulnerable, you do not have any cannons. Instead you have to defend yourself on your own! After each try you get the chance to buy upgrades hopefully making it easier too survive longer.
