A strange little side quest
If Aquarium and Fish Care sends you down a curiosity rabbit hole, start here. The Oregon Trail eventually appeared across generations of computer hardware and sold tens of millions of copies, making it one of the most enduring educational games. That old idea kept changing rather than disappearing. Pac-Man went on sale in 1980, and its creator Toru Iwatani famously linked the character's shape to a pizza with a slice missing. It is a good reminder that simple game mechanics can carry a surprising amount of history.