A strange little side quest
Here is a rabbit hole for the next loading screen in Scottish Solitaire: Street Fighter II, released in 1991, turned head-to-head arcade fighting into a worldwide phenomenon and helped define the modern fighting-game genre. And then there is this: Space Invaders, released in 1978, helped push video games into mainstream popular culture. The details change, but the appeal of learning a system and trying again is remarkably persistent.