This document outlines the evolution of social gaming from single-player arcade and console games to massively multiplayer online games. It traces the development from solitary gamers in the 1980s playing on TVs, to LAN parties and internet cafes in the 1990s that allowed small online multiplayer experiences, to globally connected online games in the 2000s that merged social and digital worlds. Now, games are live 24/7 with millions of concurrent players worldwide and social networks integrate gaming as a primary activity, showing how gaming has transitioned from an isolated hobby to a large-scale social phenomenon.