A strange little side quest
The mechanics around Hell Cat have roots that stretch far beyond modern browsers. Street Fighter II, released in 1991, turned head-to-head arcade fighting into a worldwide phenomenon and helped define the modern fighting-game genre. The surprising part is how quickly the next milestone followed. 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.