Neverwinter Nights 2 is a title by Obsidian using the Dungeon and Dragons 3.5E ruleset by Wizards of the Coast. It provides an epic role playing experience in the single player campaign as well as easy to use tools for the community to bring their visions alive. Multiplayer is a core aspect of the game and it allows for cooperative and competative play depending on the module, as well as a dungeon master client controlling the world and characters as the players play.