Wizards of the Coast (often referred to as WotC /wɑːt.siː/ or simply Wizards) is an American publisher of games, primarily based on fantasy and science fiction themes, and formerly an operator of retail stores for games. Originally a basement-run role-playing game publisher, the company popularized the collectible card game genre with Magic: The Gathering in the mid-1990s, acquired the popular Dungeons & Dragons role-playing game by purchasing the failing company TSR, and experienced tremendous success by publishing the licensed Pokémon Trading Card Game. The company's corporate headquarters are located in Renton, Washington in the United States of America.