The City of the Damned: Apocalypse is a single-level PWAD for Doom II using the GZDoom source port. It was designed by Daniel Gimmer (Tormentor667). It is the sequel to The City of the Damned. The City of the Damned: Apocalypse was featured in Doomworld's Top 100 Most Memorable Maps, placing 58th, and is also included in the Top 25 Missed Cacowards.