Designing Dungeons D&D Style?

I have heard of this -> http://www.theverge.com/2015/2/12/8028329/dungeons-dragons-video-game-sword-coast-legends
but I was curious what games there were out there where you could 'design' a dungeon and then run through it?
I realize that you probably can design one in Minecraft, and that there are lots of player designed dungeons and expansions for other games, but I wanted to check if anyone knew of a game that was primarily made for designing a dungeon and running through it with a party?

Neverwinter Nights and Neverwinter Nights 2

Tenchu Stealth Assassin had a way to make levels and go through them on the PSX or PS2, I forget which. It was pretty fun to set up a level for your friends to stealth through. The enemy AI blew in that game.


~Edit to remove a though.