Ultima Underworld: The Stygian Abyss

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Ultima Underworld: The Stygian Abyss
Ultima Underworld: The Stygian Abyss cover
Blue Sky Productions
Origin Systems
Underworld engine
Release dates
DOS March 1992
Windows June 2, 2011[1]
macOS (OS X) October 18, 2012[2]
Ultima Underworld: The Stygian Abyss at Wikipedia
Akalabeth: World of Doom 1980
Ultima II: The Revenge of the Enchantress 1982
Ultima III: Exodus 1983
Ultima IV: Quest of the Avatar 1985
Ultima I: The First Age of Darkness 1987
Ultima V: Warriors of Destiny 1988
Ultima VI: The False Prophet 1990
Worlds of Ultima: The Savage Empire 1990
Ultima Worlds of Adventure 2: Martian Dreams 1991
Ultima VII: The Black Gate 1992
Ultima Underworld: The Stygian Abyss 1992
Ultima Underworld II: Labyrinth of Worlds 1993
Ultima VII Part Two: Serpent Isle 1993
Ultima VIII: Pagan 1994
Ultima Online 1997
Ultima IX: Ascension 1999

General information

GOG.com Community Discussions for game series
GOG.com Support Page


Source DRM Notes Keys OS
Floppies or CD-ROM; see run in DOSBox (retail).
Pre-packaged with DOSBox.[3] Includes Ultima Underworld II: Labyrinth of Worlds.
macOS (OS X)
Icon overlay.png
Not available in some regions.

Essential improvements[edit]


The Ultima Underworld 1 Patch is needed for floppy disk versions. The CD-ROM and GOG.com versions are already fully patched.

Run in DOSBox (retail)[edit]

To run correctly in DOSBox change cycles=auto to cycles=max.

Game data[edit]

Save game data location[edit]

System Location
DOS <path-to-game>\
Windows <path-to-game>\
macOS (OS X) ~/Library/Application Support/Boxer/Gamebox States/com.gog.ultima-underworld-1+2/Current.boxerstate/C Ultima Underworld 1 and 2.harddisk/UNDEROM1
The SAVE1, SAVE2, SAVE3 and SAVE4 folders are save slots I-IV. SAVE0 is temporary storage, not a save.
In-game settings are stored in each save rather than shared.

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy

Video settings[edit]

General settings.
General settings.
Graphics option Option Notes
Widescreen resolution
320x200 only.
4K Ultra HD
Field of view (FOV)
Set in Graphic Mode Setup (GOG.com) or toggle with Alt+ Enter.
Borderless fullscreen windowed
Vertical sync (Vsync)
60 FPS
120+ FPS

Input settings[edit]

Audio settings[edit]

Audio options Native Notes
Separate volume controls
On/off only.
Surround sound
Everything is text-only after the opening cutscene.
Closed captions
Mute on focus lost


Chinese, Korean and Polish retail versions only have the manuals translated; the game itself is still in English.
Language UI Audio CC Notes

Issues fixed[edit]

Piano footstep sounds (GOG.com)[edit]

The GOG.com version's sound is incorrectly configured by default, resulting in misplaced effects such as piano sounds for footsteps.[4]

Fix piano footsteps (Windows)[4]
  1. Go to DATA in the installation folder.
  2. Edit UW.CFG
  3. Replace 6 -1 -1 -1 sound with 2 7 220 1 sound
  4. Save your changes.
Fix piano footsteps (OS X)[citation needed]
  1. Go to Finder, Applications, Ultima Underworld 1+2.
  2. Right click Ultima Underworld 1 and choose Show Package Contents.
  3. Open Contents
  4. Open Resources
  5. Right click Ultima Underworld 1.boxer and choose Show Package Contents.
  6. Open C Ultima Underworld 1 and 2.harddisk
  7. Open UNDEROM1
  8. Open DATA
  9. Edit UW.CFG with TextEdit (right click, Open With)
  10. Replace 6 -1 -1 -1 sound with 2 7 220 1 sound
  11. Save your changes.

Sluggish and/or jumpy mouse controls[edit]

The cursor may jump around in-game or mouse control may feel sluggish (especially on menu screens). To fix the first issue, disable joystick functionality; to fix the second, increase mouse sensitivity.
Fix jumpy mouse cursor (Windows)[5]
  1. Go to the installation folder.
  2. Edit dosboxULTIMA1.conf
  3. Set joysticktype to none
  4. Save your changes.
Fix sluggish mouse (Windows)[6]
  1. Go to the installation folder.
  2. Edit dosboxULTIMA1.conf
  3. Change sensitivity from 100 to 200. Experiment with this figure until your mouse feels right.
  4. Save your changes.

Other information[edit]


Technical specs Supported Notes
64-bit executable

System requirements[edit]

Operating system (OS) DOS
Processor (CPU) IBM or 100% compatible 386SX, 386 or 486
System memory (RAM) 2 MB with Expanded Memory (EMS)
Hard disk drive (HDD) 11 MB
Video card (GPU) 256-color VGA graphics
Minimum Recommended
Operating system (OS) XP, Vista
Processor (CPU) 1.8 GHz
System memory (RAM) 512 MB 1 GB
Hard disk drive (HDD) 48 MB
Video card (GPU) DirectX 7 compatible DirectX 9 compatible
macOS (OS X)
Operating system (OS) 10.6.8 (Snow Leopard) or later
Processor (CPU) Intel Core Duo 2 GHz+
System memory (RAM) 1 GB
Hard disk drive (HDD) 45 MB
Video card (GPU) 64 MB of VRAM


  1. New Release: Ultima Underworld 1+2 - GOG.com
  2. GOG.com goes Mac - GOG.com
  3. List of GOG games using DOSBox, page 1 - Forum - GOG.com
  4. 4.0 4.1 Problems with sound (quality, sound playing music etc.), page 1 - Forum - GOG.com
  5. "Underworld- wonky controls" - Forum - GOG.com
  6. "Ultima Underworld - how to improve the control scheme?" - Forum - GOG.com