On October 1, 2013, Rockstar Games switched on the servers for Grand Theft Auto Online, an experiment that initially buckled under its own ambition before fundamentally reshaping the business of interactive entertainment. Launch day was a chaotic gauntlet of network timeouts, evaporating cloud saves, and frozen loading screens as millions attempted to invade a shared digital Los Santos. Once the infrastructure stabilized, however, GTA Online evolved into an unprecedented financial engine. It catalyzed the industry's pivot away from traditional single-player expansions toward perpetual, microtransaction-driven live-service models. By transforming a discrete retail release into a persistent, multi-billion-dollar virtual economy across three console generations, this launch signaled the definitive moment AAA gaming transitioned from selling static software to managing endless interactive platforms.