NWN has persistant world servers if you want human interaction. Think of them like mmos but player made. I made a few and helped others make a few for nwn1, and my friend has one for nwn2 I helped with called Aythor: Elderland Colonies. If you are interested then you have to download and install a file that gives you access to the server, its a lot of fun and free if you already have the game.
www.elderland.2truth.com