Blades of Avernum

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Blades of Avernum
Blades of Avernum cover
Spiderweb Software
Release dates
macOS (OS X) March 17, 2004
Windows June 9, 2004
Blades of Avernum on MobyGames
Blades of Avernum on Wikipedia


The macOS (OS X) version of this game does not work on macOS Catalina (version 10.15) or later due to the removal of support for 32-bit-only apps.
Avernum 2000
Avernum II 2000
Avernum III 2002
Blades of Avernum 2004
Avernum IV 2005
Avernum V 2007
Avernum VI 2009
Avernum: Escape from the Pit 2011
Avernum 2: Crystal Souls 2014
Avernum 3: Ruined World 2018

Key points

Supports external maps.

General information Community Discussions for game series Support Page
Official website
Official forum
Useful links


Source DRM Notes Keys OS
Developer website
DRM details are not known
Only a demo.
macOS (OS X)
Part of "Avernum: The Complete Saga".

Essential improvements[edit]


Unlike other games in the first Avernum trilogy, Blades of Avernum supports scenarios to be created and added into the game.
Scenario list - List of websites that contain Blades of Avernum scenarios and instructions on how to add them.
Spiderwebs Forum - Scenario reviews
Spiderweb forums - Blades of Avernum Editor

Scenario editors

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\irunin.ini[Note 1]
macOS (OS X)

Save game data location[edit]

System Location
  • .sav
macOS (OS X)
Save games can be created in any location.

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy

Video settings[edit]

Game settings
Game settings

Input settings[edit]

Keyboard and mouse State Notes
See the glossary page for potential workarounds.
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller support
See the glossary page for potential workarounds.

Audio settings[edit]

Audio feature State Notes
Separate volume controls
Surround sound
No voicework present.
Closed captions
Mute on focus lost


Language UI Audio Sub Notes

Issues fixed[edit]

You can work around many glitches by using game's character editor.

Black screen with only sprites visible[edit]

When transferring old save games, this can happen because the game acts as a demo and a registration key is required (this does not happen on version of the game).

Installing from CD on Vista and later[edit]

If you have problems, follow these steps:
CD on Vista and later[citation needed]
  1. Open "Computer" in the Start menu, right-click on the CD and select Explore.
  2. Run the installer program (the application that has Install at the beginning of the name).

Installer/game not launching correctly on newer Macs[edit]

Renaming to .app[citation needed]
Blades of Avernum might not run properly on newer Macintoshes and trying to run the game/installer will give an error. This problem is caused by the name of the program not ending in .app.
  • To fix the problem, change the name of the program so it ends in .app. If you are trying to run an installer from a CD, copy it to your machine, change the name so that it ends in .app, and run it.

Screen Freeze Bug On OS X[edit]

Screen Freeze[2]
In recent versions of OS X, game's graphics might occasionally freeze for a small number of users. The game is playing in the background and sound effects are still happening, but the graphics are no longer refreshed on the screen.
  • Solution:
    1. When the screen freezes, type Shift-R. This should enable you to resume the game normally.
    2. Upgrade to the newest version of the game.

Reactivating Character Editor[edit]

Character editor[citation needed]
  • Macintosh: Throw away the "Blades of Avernum Prefs" file in the Preferences folder.
  • Windows: Delete the "BladesOfAvernumData.dat" file in the Avernum Data folder.
If you have registered the game, this might unregister it. If your game suddenly becomes unregistered, see Requesting a new key.

"Requires admin privileges to run" when installing CD on Mac[edit]

Admin privileges[citation needed]
  • First solution: Install the demo and request a new key.
  • Second solution:
  1. Open the Install file. A window will open with the game art and an installer with the game icon. It will have a name like "Install Blades of Avernum (Full)". Drag this installer onto your desktop.
  2. Hold down the Control key and click on the installer and select "Show Package Contents."
  3. Open the Contents folder and then the Resources folder.
  4. Open the file "installscript" If it asks you what program to open it with, choose TextEdit.
  5. Scroll down until you find these lines and change it to FALSE:

Require Authentication


  • Save and quit. The installer should now work.

Other information[edit]

Backing up the registration key[edit]

If you want to play the game with the same key, transfer the Blades of Avernum.dat file (Windows) or "Blades of Avernum Prefs" (OS X) located in the Preferences folder (inside the Systems folder on your hard drive) to a safe place.

Requesting a new key[edit]

If you have lost a registration key, go to this page or e-mail the developer to get one.[3] Be sure to add:
  • The game title
  • The complete mailing address you ordered the game under (NOT an E-mail address)
  • The new game and/or editor registration number the game is giving you now
  • Windows or Macintosh version

Other information[edit]


ExecutablePPC 32-bit 64-bit Notes
macOS (OS X)

System requirements[edit]

Minimum Recommended
Operating system (OS) XP or newer
Processor (CPU) 1.6 GHz
System memory (RAM) 256 MB
Hard disk drive (HDD) 30 MB
Video card (GPU) DirectX 7 compatible
macOS (OS X)
Minimum Recommended
Operating system (OS) 10.6.8
Processor (CPU) 1.6 GHz
System memory (RAM) 256 MB
Hard disk drive (HDD) 30 MB
Video card (GPU) 64 MB of VRAM
Recommended two-button mouse, or Apple mouse with Secondary Button / Secondary Click enabled.
These are system requirements; retail requirements are much lower.


  1. When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).