A MUD (Multi-User Dungeon), pronounced , is a multiplayer real-time virtual world described primarily in text. MUDs combine elements of role-playing games, hack and slash, player versus player, interactive fiction, and online chat. Players can read or view descriptions of rooms, objects, other players, non-player characters, and actions performed in the virtual world. Players typically interact with each other and the world by typing commands that resemble a natural language.
Traditional MUDs implement a computer role-playing game set in a fantasy world populated by fictional races an...