Web browsers seem to enjoy hiding fully playable games inside of themselves, from text-based adventures to one of human history's earliest examples of a video game (i.e. Pong). And wouldn't you know ...

If you ever play me in Pong, you will win. Atari’s simple 1972 game is like Dark Souls-level hard to me; I’ve no idea how anyone can react that fast. But, finally, there might be a version of the game ...