And found myself transported into a very old-school dungeon. Mind you, this is old-school as perceived by an old-school game, which is very old-school. We're talking about a 21 x 21 grid of walls forming a dungeon level here. The walls are textured, but also bear a white outline (reminiscent of the first 4 Wizardries) so you can see the grid.
One thing that came immediately to my attention was that there was no exit. I deliberately skipped reading anything in the walk-through about the dungeon beyond what I was supposed to do to get there. I stumbled along blindly, ran into some nasty spike traps, found a whole bunch of doors that were locked with some SERIOUS lock levels, and found out that the auto-map was virtually useless.
At this point I began to wonder if I shouldn't reload that saved game from before I entered the dungeon.
I decided to stick with it. And thus committed myself to about a four-hour ordeal that involved a LOT of reloading saved games from combats gone bad, and about six points of increase in my rogue-turned-bard's lockpicking ability.
The first couple of hours involved me wandering about pretty aimlessly, trying to make sense of what was appearing on the automap, unlocking doors, and getting into fights. I'd find mushroom rings which would teleport me to other locations on the map. I kept finding myself revisiting old territory in the maze, and not finding anything resembling a way out. However, old-school training eventually kicked in. I knew what had to be done.