I stored a file inside Pokémon Emerald's in-game PC so you don't have to
Storing files inside Pokémon Emerald? It's actually possible, and a great way to explain how data structures work.

Pokémon Emerald is a fantastic game, and I'm sure many are hit with a wave of nostalgia thinking about the older Pokémon games in general. These days, those older Pokémon games have an incredibly interesting modding scene, with plenty of fan-made modifications extending their lifespan decades later. However, that modding scene has also made it possible to store a file inside Pokémon Emerald. A file up to 10.8 KB in size, to be precise... and I tried it out.