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 (DM) 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 MUD), combat arenas (player versus player modules), whole servers dedicated to sexually oriented roleplay,