The Best Tabletop Simulator So Far

I see it reiterated in reviews that you should skip the original campaign, play the expansions or the modules created by others but I haven't come across the number one reason you want to own this game. You can run a tabletop-style DnD game with very little missing using Neverwinter Nights. With the tools the community has come up with you can do pretty much anything in this game that you would do in a DM'ed tabletop game. Your dungeon master can create the adventure, build the world, control the monsters and NPCs, give out treasure, handle character advancement. With a dungeon master at the helm able to react to on the fly to character decisions the possibilities are nearly endless. I still hold out hope someone attempts to update this concept to a more modern engine but for now there's still plenty you can do using NWN.