The Nightmare of Druaga: Fushigino Dungeon (ザ・ナイトメア・オブ・ドルアーガ 不思議のダンジョン Za Naitomea obu Doruāga - Fushigi no Danjon) is a 2004 RPG game produced by Arika and Chunsoft and published by Namco for PlayStation 2. It is the eighth game in Chunsoft's Mystery Dungeon series.
Three years after Druaga's defeat, Gilgamesh and Ki would soon marry, but the mysterious sorceress Skulld appears and kidnaps Ki. Gil enters the Dark Ruins to rescue his fiancée. However, Skulld is too powerful for him, but Gil learns her powers come from the Chronos Orbs and goes to the Underground Cave do destroy them. After doing so, Ki and Skulld disappear, and Gil goes to the Deserted Holy Place to discover what happened with them, and must return to The Tower of Druaga and defeat Succubus and Druaga again to save them.