Neverwinter Nights is a 3D RPG. It has single player and multiplayer playtypes. The game is based on modules - they hold all areas, placement of objects, scripts etc. There are many multiplayer servers, almost each having it\\\'s own module and very different scripts...
Official website: http://nwn.bioware.com/
CD-Keys or generators aren't included. With version 1.68, there's no need for NO-CD patches.