Hideo Kojima built a nearly impossible global win condition of sorts into Metal Gear Solid V: The Phantom Pain: Achieve nuclear armistice by every single player getting rid of their nukes. It's a cute thought, but there's no way everyone would band together for the greater good.
PlayStation 3 managed this monumental feat. Every nuke on PS3 was disarmed. There was likely a dedicated group of anti-nuke activists launching incursions on other players' Mother Bases, slowly chipping away at the WMD count. And, because PS3 surely has a tiny user base at this point, those raids were probably mostly against inactive players. Regardless, Kojima's dream came true.
Here's the cutscene that triggered when the Cold War finally ended: