Deliverance 2600 is a Metroidvania-inspired, exploration-focused total conversion for Doom and Doom 2, powered by the GZDoom engine. The player assumes the role of Stanford T. Pace, a former prison inmate who volunteers for Project Deliverance, which is intended to rehabilitate criminals by means of extreme discipline. He is then sent out on a mission to investigate a mysterious communications breakdown with a research facility on the planet Ferrus XII. But what he seeks is something else than redemption...