Gabriel Knight: Sins of the Fathers

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Gabriel Knight: Sins of the Fathers
Gabriel Knight: Sins of the Fathers cover
Sierra Entertainment
Release dates
DOS December 17, 1993
Windows December 17, 1993
Mac OS (Classic) 1994
Windows (ScummVM) January 28, 2010
Gabriel Knight: Sins of the Fathers on IGDB
Gabriel Knight: Sins of the Fathers on MobyGames
Gabriel Knight: Sins of the Fathers on Wikipedia
Gabriel Knight
Gabriel Knight: Sins of the Fathers 1993
The Beast Within: A Gabriel Knight Mystery 1995
Gabriel Knight 3: Blood of the Sacred, Blood of the Damned 1999
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition 2014

Key points

Can be run under ScummVM.

General information

Gabriel Knight Omnipedia - Wiki for the series
Sierra Gamers - Game page on Ken Williams' official website
The Sierra Help Pages - Extensive troubleshooting guide
Hardcore Gaming 101 - Comprehensive feature on the series Community Discussions for game series Support Page
Steam Community Discussions


Source DRM Notes Keys OS
Disc check (requires the CD/DVD in the drive to play)
Floppy and CD-ROM "talkie" release with voice acting and extra cutscenes.
Mac OS
Pre-packaged with ScummVM
DOSBox version is also available (when using GOG Galaxy).[1]
Icon overlay.png

Essential improvements[edit]


Install the relevant official patch if you are using a retail version. The latest patch is 1.0a (GKCDPAT) for the CD-ROM version and 1.0b (GKPAT10B) for the floppy release.
Install the relevant unofficial NRS patch to correct some game-breaking issues on modern systems (latest official patch required). GK1CD_NRS is for the CD-ROM and GK1_NRS - for the floppy version. For other solutions to these problems, see: Issues fixed.

Game data[edit]

Configuration file(s) location[edit]

System Location
DOS <path-to-game>\RESOURCE.CFG
Windows <path-to-game>\RESOURCE.WIN[Note 1]
Mac OS (Classic)
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/495700/pfx/[Note 2]

Save game data location[edit]

System Location
DOS <path-to-game>\GKSG.*
Windows <path-to-game>\GKSG.*[Note 1]
Mac OS (Classic)
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/495700/pfx/[Note 2]

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud
ScummVM 2.1+ supports cloud saves on third-party cloud storage services. See the ScummVM user manual for details.


General options
General options

Graphics feature State Notes
Widescreen resolution
fixed at 320x240 Dos; 640x480 Win
4K Ultra HD
Field of view (FOV)
Toggle with Alt+ Enter (when using DOSBox or ScummVM).
Borderless fullscreen windowed
Anisotropic filtering (AF)
Anti-aliasing (AA)
Vertical sync (Vsync)
For DOSBox use an unofficial build (see the glossary page for other workarounds).
60 FPS and 120+ FPS


Keyboard and mouse State Notes
For DOSBox use the DOSBox Mapper (see the glossary page for other workarounds).
Mouse acceleration
Mouse sensitivity
For DOSBox set in the DOSBox configuration file.
Mouse input in menus
Mouse Y-axis inversion
Controller support
For DOSBox use the DOSBox Mapper (see the glossary page for other workarounds).


Audio feature State Notes
Separate volume controls
Music and Sound Effects
Surround sound
MIDI music can be placed in 3D space if 3D MIDI compatible hardware is avilable
Closed captions
Mute on focus lost


Language UI Audio Sub Notes
Retail version only.
Retail version only.
Unofficial translation, download and info.
Fan translation, download

Issues fixed[edit]

Before anything else, get the latest patches for your respective game version. Also, check out Sierra's help page for solutions for known issues.

Day 5 Phone Call Lockup[edit]

Depending on your progress, at the beginning of day five Grace may give you the Rada Drum Book twice, and when the phone rings Gabriel says he'll get it but he never moves. This can be fixed the following ways:

Before you start day 5:

  • In the options, turn the detail all the way down and the speed all the way up.
  • If you are using DOSBox, set CPU Cycles to under 7000.

Day 6 Police Station Timing Issue[edit]

Depending on the speed of your computer, it might be impossible to get into Mosley's office on day 6 because the solution is timer based and the distraction might not last long enough to reach the office. To progress, you can use either of the following options:

  • Use a CPU slowdown utility. The Gabriel Knight Mysteries: Limited Edition included such a utility, but it might not work anymore. Alternatively, you can try using CPUKILLER to achieve a slow down.
  • If you are using DOSBox, set CPU Cycles to under 7000.

Note that you do not need to reload if the beignet guy already left the station and you failed to get into the office. In that case, apply either fix and return to the police station, the officer will fall asleep after some time permitting you to get into the office.

Other information[edit]


Technical specs Supported Notes
DOS video modes VGA, SVGA
Executable 32-bit 64-bit Notes

System requirements[edit]

Minimum Recommended
Operating system (OS) 5.0
Processor (CPU) Intel 80386
System memory (RAM) 4 MB
Hard disk drive (HDD) 20 MB (floppy)
Video card (GPU) VGA
Mac OS
Operating system (OS) 7.0
Processor (CPU) Motorola 68030
System memory (RAM) 5 MB
Hard disk drive (HDD) 20 MB
Video card (GPU) 256-color support
Minimum Recommended
Operating system (OS) XP
Processor (CPU) 1 GHz
System memory (RAM) 256 MB
Hard disk drive (HDD)
Video card (GPU) DirectX 7 compatible
Windows requirements come from the release.


  1. 1.0 1.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).
  2. 2.0 2.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/495700/ in addition to or instead of this directory. The app ID (495700) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.