The Caverns of Steel
tenfootpole.org
By Nickolas Zachary Brown Five Cataclysms OSR Levels: Mid to High? This place sits on the border between the mundane world and the world of machines. It is a horrendous mishmash of metal mechanical…

This really conjures the charm of old school D&D. Deadly, interesting. Varied. A little weird. This is what D&D is made of. Sure, it could be a lot more polished. But, also, that content is GOLD.