I have a 1.28c version and a UAW160 adaptation. I cannot find the original files.
From what I can see it is basically a theatre based on the default ETO with a static frontline that relates to the Battle of the Bulge.
Setting the date to winter 1944 with seasonal terrains installed gives the right atmosphere.
A quick test of the Ardennes careers in 1944 seemed to have missions that were not particularly related to the Battle of the Bulge.
What am I missing?