Ragnarok Online is a popular massively multiplayer online role-playing game (MMORPG) developed by Gravity Co., Ltd.. Launched in 2002, it is set in the fantasy world of Rune-Midgard, where players create characters and embark on quests, battle monsters, and interact with other players. The game features a unique job system, allowing players to choose from various classes, such as Knight, Mage, and Archer. Players can also engage in player-versus-player (PvP) combat, join guilds, and participate in large-scale battles, making it a dynamic and social gaming experience.