Demonic Supremacy is an old-school 3D shooter developed by ChiliDog Interactive. The game places players in the role of the Chosen One, Zexus, tasked with ascending an infernal tower to defeat the Lord of Hell. Gameplay involves navigating memorable levels, battling monsters, and confronting mighty bosses, all set to a heavy metal soundtrack.

The title utilizes 90s-style graphics and offers several hours of action. Its core gameplay loop focuses on old-school FPS mechanics, delivering a direct combat experience against hellspawn. The narrative centers on Zexus's quest to stop a recurring demonic invasion.