I don't even remember the mechanics of this game, but a few years ago I obsessively grinded out a small personal achievement: a DUHZ run where you only go into

I don't even remember the mechanics of this game, but a few years ago I obsessively grinded out a small personal achievement: a DUHZ run where you only go into dungeon, depths, hell, and zot. That took a _long_ time. I don't even remember why it was difficult, just that it was really hard and I was very pleased with myself after. Would recommend.