These include Shoot the flying saucer that goes across the screen for extra points. Four barriers protect you from invaders' shots, but will be destroyed after several hits. Once you shoot every invader on screen, you have to do it again and again.
You r never 2 old to play PS2 Space Invaders as i enjoyed this game when i was young and now i still play it with my grandsons on my PS2 when they visit me.