MapleStory is a free-of-charge, 2D, side-scrolling massively multiplayer online role-playing scheme developed by the Southeasterly Asiatic organization Wizet. Various versions of the gritty are accessible for limited countries or regions, and apiece is published by various companies such as Wizet and Nexon. Though playacting the mettlesome is unrestrained, property appearances and gameplay enhancements can be purchased from the "Cash Course" using genuine money. MapleStory has a combined total of over 50 million subscriber accounts in all of its versions. MapleStory Mesos North America (Global), for players mainly in North America and outside of East Asia, Southeast Asia and Europe, has over three million players.

In the game, players travel the "Maple World", defeating monsters and developing their characters skills and abilities as is typical in role-playing games. Players can interact with others in many ways, such as through chatting, trading, and playing minigames. Groups of players can band together in parties to hunt monsters and share the rewards. Players can also join a guild to interact more easily with Maplestory Mesos.

Occasionally, certain versions of the game hold events that celebrate a certain event in real-life or an event specific to that version, such as a holiday or new server release. During these events, certain aspects of the game are modified in celebration; for example, the experience rate or drop rate may be increased, or special items may be released.