You felt like a god.
But that one time it worked? When you walked through the gym door without beating the trainers? When you caught the opponent’s Pokémon with a Master Ball?
You’d boot up your DS. The top screen would flash white. Then, bam . You were in the code manager.
If you were a kid in the late 2000s or early 2010s, your backpack had three essential items: a sticky bag of gummy candies, a cracked iPod Touch with a dodgy headphone jack, and a Nintendo DS Lite with a small, grey cartridge sticking out of Slot-1.