Flat Rock Software
Flat Rock Software was a publisher of 1990s retro games for personal computers. It acquired the Catacomb game series from Softdisk. Richard Mandel of Flat Rock Software released the source code of the Catacomb game series in June 2014, after being convinced by Braden "Blzut3" Obrzut. The Catacomb game series were sold in 2017 to Catacomb Games, an organization founded by Jay Weisskopf.