 Wizards of the Coast ( often referred to as WotC / <unk> / 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 . 
