Hexen: Deathkings of the Dark Citadel
Where HeXen Ends, the True Nightmare Begins. Deathkings of the Dark Citadel is the only official expansion of the original HeXen game. This add-on pack features 20 new single player levels from the original HeXen team as well as a host of new multiplayer options. Deathkings of the Dark Citadel was the first true game expansion that Raven Software ever produced.