What 40 years of 'Space Invaders' says about the 1970s -- and today edition.cnn.com

The "Space Invaders" arcade video game, celebrating its 40th anniversary, is an iconic piece of software, credited as one of the earliest digital shooting games. Like many early games, it and its surrounding myths showcase the cultural collisions and issues current at its creation by Japanese game designer Tomohiro Nishikado.