Probably the most iconic computer game, if not game, in the world. In 1978 it single handedly brought about the golden age of arcade machines, actually causing Japan to have to press more coins!
This was the start of the shoot em up, even being the first to popularise the concept of getting a high score..
The first ever video game competition was the Space invaders tournament, hosted by Atari! I could go on & on but i’m sure you get the picture..
Scarily there is talk of a Space Invaders film on the table!?