Helluva Doom

"The iconic protagonist of DOOM, Doomguy, finds himself in the world of Helluva Boss. Known for the ruthless extermination of demons in the Hell of his own world, what awaits the inhabitants of this Hell and Doomguy himself after such a turn of events?"
This visual novel is based on Doom verse and Helluva Boss verse respectively.
This is only Demo version, the game will come out soon and will contain bullet-hell style boss fights, new animation and choices that will affect the route and the ending.