File:Quake1.gif Underworld Excursion Game Episode Designer Level Editor Soundtrack Level Theme Previous Map Next Map [Source] Underworld Excursion is a Multiplayer level in Q2. This level has the same geometry as Decrepit Solitude/Entering Eternity, though placement of Ammo and Weapons is entirely different. Besides texturing, this level is identical to Caliginous Minaret.