1990s · Role-playing
Games like Ultima Underworld
Ultima Underworld: first released 1992 by Blue Sky Productions.

In the series: Ultima Underworld: The Stygian Abyss (1992), Ultima Underworld II: Labyrinth of Worlds (1993).
12 games inspired by Ultima Underworld
- Abysmal: Cross-platform engine project for the Ultima Underworld games.
- Abyss Crawlers: Dungeon crawler drawing on Ultima Underworld and early Elder Scrolls.
- Arx Fatalis: Started as a pitch for Ultima Underworld III; first-person dungeon RPG.
- Barony: First-person co-op roguelike inspired by Ultima Underworld and NetHack.
- Cralon: First-person dungeon crawler by former Piranha Bytes developers, inspired by Ultima Underworld.
- Dark Sun Underworld: Free game-jam first-person crawler inspired by Ultima Underworld.
- Delver: Blocky first-person roguelike dungeon crawler inspired by Ultima Underworld.
- Monomyth: Immersive first-person dungeon crawler in the vein of Ultima Underworld, Arx Fatalis and King's Field, in Steam Early Access.
- Underworld Adventures: Engine project to play Ultima Underworld on modern systems.
- Underworld Ascendant: Successor to Ultima Underworld from a studio led by original Looking Glass developers.
- Underworld Exporter: Unity-based reimplementation that runs Ultima Underworld from the original data.
- UnderworldGodot: Recreation of the Ultima Underworld engine in Godot.