A strange little side quest
Put Crazy Zombies 3D next to the history of action games and a few unexpected connections appear. Space Invaders arrived in 1978 and helped turn electronic games from an arcade curiosity into mainstream entertainment. That old idea kept changing rather than disappearing. Games resembling checkers were being played thousands of years ago; evidence of related games reaches back to around 1600 BC. Not bad for a few facts hiding behind a Play button.