XCOM terror from the deep, the game freeze when I choose General Midi or SoundCanvas in Setup. It works when I choose AWE32. It's the same with an without SoftMPU.
[Edit]: seems that some files are missing in SOUND directory : http://www.ufopaedia.org/index.php?title=File:TFTDmidi.zip

Screamer : the game works only if it is located in C:\SCREAMER 😠

DataPro wrote:

The original set up should look like this : http://pcgamingwiki.com/images/thumb/d/d6/AiTD3-options.png/290px-AiTD3-options.png […]
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The original set up should look like this :

But mine is totally messed with strange characters under DOS (Need ANSI.SYS ?)

No, the installer needs the 8x14 font. Some videocards (Vesa 3.0 compatible IIRC) use the memory area of this font for different tasks.
There was the TSR somewhere on Vogons to fix this problem.

@Gamecollector: Thanks. My Matrox Mystique is the cause.
I've downloaded the tool.

To make Dark Forces working, I just put the file CD.ID at root of the harddisk. The file DRIVE.CD must contain the letter of the drive where CD.ID is.

Also ask questions using old hardware in Marvin. This one is for DOS games on modern systems.

Daughter of Serpents' directory need to be in root directory. And its name must be DAUGHTER
If not, the game don't work.

You can put DAUGHTER in an other directory and then use a small DAUGHTER.BAT batch file :

For example, if DAUGHTER is in the c:\DOS directory and E: is a free drive letter :

1CD\
2SUBST E: C:\DOS
3E:
4CD DAUGHTER
5RUN
6C:
7CD\
8SUBST E: /D