Space Invaders was released in 1979. It was an instant hit because people could buy it to play at home. It also didn't hurt that there was such a fascination with aliens and space. Tomohiro Nishikado designed the game. The object of the game is simple - shoot the aliens. You are equipt with a cannon and unlimited ammunition. The aliens also put up a fight by trying to hit your cannon. When all of the aliens are cleared from the screen, you move on to the next level, which gets harder with faster aliens. Some places you can play this classic are: