Multiplayer
A robust multiplayer component separates Neverwinter Nights from previous Dungeons & Dragons games, as this allows players to play on many different servers hosting games. Depending on hardware and bandwidth, each server can support up to ninety-six players on the same server application, plus Dungeon Masters (DMs) to run the games, if desired. Neverwinter Nights game modules are run in a variety of genres and themes, including persistent worlds (which are similar to MUDs), combat arenas (player versus player modules), whole servers dedicated to sexually oriented roleplay, and simple social gatherings similar to a chat room. BioWare requires that these persistent worlds be free of charge, primarily for reasons of copyright law.
Because Neverwinter Nights lacks a global chat function aside from the supported Gamespy, players typically join pickup games through the game's multiplayer interface, or schedule games in advance with friends. Matchmaking sites can facilitate scheduling of games, and the experience is much like traditional pen-and-paper roleplaying games. Persistent worlds do this work for them by inviting players to visit their website and continue to roleplay there.
An important feature of Neverwinter Nights is the DM Client: a tool that allows an individual to take the role of the Dungeon Master, who guides the players through the story and has complete control of the server. Previous games such as Vampire: The Masquerade – Redemption, based on the printed gamebooks by White Wolf Publishing, utilized this feature. When it was released, Neverwinter Nights had the most evolved version of this feature. The DM Client allows players to participate in regular campaigns, while also allowing persistent world servers to flourish by permitting the DMs of those servers to take control of non-player characters (NPCs) in mid-game for added realism and flexibility. The DM Client also permits the user to spawn and control masses of monsters and NPCs much in the same way as units would be controlled in a real time strategy game.
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