A Multi-User Dungeon (MUD) is a text-based online game that combines elements of role-playing games (RPGs), interactive fiction, and multiplayer gaming. MUDs allow multiple players to interact with each other and the game environment in real-time, usually through a command-line interface. Players can create characters, explore virtual worlds, solve puzzles, engage in combat, and interact with other players and non-player characters (NPCs).
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