Legend of Grimrock

Windows

Version Differences

The best version is available from the developer's website, which provides both a Steam key and a DRM free version (the same executable as from GOG.com).

Issues And Fixes

Black Screen, Torches Visible

A known issue regarding certain graphics card drivers. Resetting the graphics drivers from the control panel can fix this issue.

Blurry Graphics

Blurry textures and menu items are almost always caused by the Mipmap Detail Level in the AMD VISION Engine Control Center.

• Set Mipmap Detail Level to 'Quality'
• Disable Catalyst AI
• Everything else to App Controlled/off.

Mouse Cursor Missing

Disabling mouse pointer trails fixes this issue.

D3DError - D3DXCompileShader failed

Error message: D3DError - D3DXCompileShader failed: ERROR_BAD_EXE_FORMAT

A solution involves modifying a new DirectX installer.

Download the latest DXSsetup.exe from Microsoft: http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=8109

Extract the DXSetup.exe to a folder.

Enter these subfolders:

32 bit folder - Windows\SysWOW64
64 bit folder - Windows\System32

Delete these files:

D3DCompiler_43.dll
D3DX9_43.dll
d3dx11_43.dll

After doing this, rerun the DXSetup.exe from the original downloaded archive above.

Run Game On Integrated Graphics

This is possible using a utility called Swiftshader, which offloads shader processing onto the CPU. However, this comes at a heavy performance price.

Enable Vsync

Enabling vsync may fix some issues, such as periodic freezing. This is because the game does not have a framerate limiter, therefore it will tax the graphics card very heavily. Vsync forces a framerate cap.

Open the config file at C:\Documents\Almost Human\Legend of Grimrock\grimrock.cfg

Change verticalSync = 1 to code>verticalSync = 2.

Unresolved Issues

Field Of View (FOV)

Although the narrow FOV may be considered a design choice, it is not a value that is user-editable.

Save Game Data

Save Game Folder Location

• Windows:

  C:\Documents\User\[Username]\My Documents\Almost Human\Legend of Grimrock\

Controller Support

The developers have said the game was designed solely for use with keyboard and mouse, but fans have already started trying to get Xbox 360 controller support working in-game.

Mac & Linux

The developer has announced a Mac port will be created.

WINE

Some users have suggested that it is possible to run Grimrock on Mac and Linux via Wine. The most popular method on Mac is to use the Porting Team wrapper. On Linux it may be possible to play the game by installing Windows DLLs via Wine tricks (required DLLs include DirectX dlls and Visual C dlls).

This thread at the official forums details some ways to get it running under WINE: http://www.grimrock.net/forum/viewtopic.php?f=12&t=489

General Information

Useful Links

Official Website

Official Forum