Obsession is a game of 16 to 20 turns in which players build a deck of Victorian gentry (British social upper class), renovate their estate by acquiring building tiles from a centralized builders' market, and manipulate an extensive service staff of butlers, housekeepers, underbutlers, maids, valets, and footmen utilizing a novel worker placement mechanic. Successfully hosting prestigious social activities such as Fox Hunts, Music Recitals, Billiards, Political Debates, and Grand Balls increases a player's wealth, reputation, and connections among the elite.