Some comments on aitd2:

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If you're still having problems with aitd2 crashing, the following
seems to fix the problem:

(1) Go to the following site and download aitd2 (use the "cliquez ici"
    link):

http://www.abandonware-france.org/ltf-telecharger.php?id=67

(2) Unzip the files into directory XX.

(3) Copy all the ".PAK" files from XX into the alone2 directory.

This fixes the problem, which was probably caused by a corrupted PAK
file.

If you're curious about what sounds the program *should* make, try
running the version in directory XX.  It won't run for long, though.

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I changed the parameters of "slowdown" in the .bat file to:

  slowdown /E /P:20 /UseInt70

The /P:xx means "percent to slow down".  This version allows the
program to run faster while still being able to read the keyboard.
Adjust the "20" value as needed.

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It *is* possible to use the different save slots.  First create a
bunch of save files by duplicating one, then number them correctly.
When you go to save or load within the program, use the up and down
arrows.