Demons of Problematique

Demons of Problematique is a five-level PWAD for ZDoom by Dennis Meuwissen (Exl). It was released on July 16, 2007, and was named a runner-up in the 2007 Cacowards at Doomworld. It was followed by a sequel, Demons of Problematique 2, which won a Cacoward two years later.