It started as a rumor in the quiet corners of a school network: a level called "Poly Track" tucked inside the unblocked games folder, a slice of a retro racing world that somehow fit into five megabytes and a single afternoon. Kids whispered about it between classes—about the way the polygon car hummed like a bee, the crisp neon horizon, and a hidden shortcut that turned losers into champions if you found it before the bell rang.