About Nexon America Inc. Nexon America Inc. is the North American publishing arm of Nexon Group, a pioneer of interactive entertainment software and the world's leader in massively multiplayer online games. Based in Los Angeles, Nexon America was founded in 2005 to bring the best of online entertainment to the North American audience. The company's growing library of titles includes the world famous franchise MapleStory, the online multiplayer dance game, Audition, the new fantasy life of Mabinogi and the fast-paced, first-person shooter Combat Arms. The foundation of all Nexon America titles is the item selling business model, in which users access the full game for free and can later opt to pay for game enhancements.