Operation Unfathomable is a super-fun, gonzo OSR underground wilderness crawl by Jason Sholtis. I've run it a few times using the Black Hack OSR rules set. The book comes with ten pregenerated characters for Swords & Wizardry and other old-school D&D-style RPG. To make it easier for myself, I took the characters and converted them … Continue reading Operation Unfathomable: Black Hack Pregens