Games by Developer: Blue Sky Productions

Ultima Underworld: The Stygian Abyss

Ultima Underworld: The Stygian Abyss is a fantasy action RPG developed by Blue Sky Productions (Looking Glass Studios) and published by Origin Systems in 1992 for DOS. It was later ported to FM Towns,...

Year: 1992 Genre: Role Playing Updated: 2015-04-17 Tags: fantasy 3d first-person dungeon crawler