MapleStory Release date : 2003 Studio : NEXON Korea Corporation Publisher : Nexon America Inc. Genres : Action, Adventure, Casual, Massively Multiplayer, RPG, Free To Play SteamOfficial site Latest newsMapleStory Launches High-Level Event World for Veteran PlayersMapleStory Brings Back Challenger World with Massive Growth Event BonusesMapleStory Introduces Lethe, a Demon Summoner with Loyal VassalsMapleStory Classic World Opens Strong with Millions of Characters Created