Grieva, that is awesome!
Come on; you knew this was coming.
Five Mildly Interesting Facts About Space Invaders:
-It was so ambitious at the time that most of the year-long development time for the game was spent inventing new hardware to run it.
-It was originally coloured by stretching green and orange cellophane over the screen.
-The developers wanted the aliens to move faster as time progressed but the hardware couldn't cope with this; it could only move the aliens faster if there were less on the screen...
-It was so popular that in Japan it led to a shortage of 100 yen coins; more had to be printed to meet demands.
-It was so popular that some arcades began opening with only 'Space Invaders' consoles.