...but the game continues to run in the background. If I hit the Windows button to escape the game will then switch to a smaller window and continue to run. Oddly I have Xiaopang's modified version and it runs fine full screen (in Dosbox 0.74, same as GOG version). Kind of bumed that the official release doesn't work for me. Any thoughts? Game will run windowed but that kinda sucks.

I have the same exact problem.

Sorry for slow reply. Contacted Gog and they gave me a generic set of things to try that basically have nothing to do with the problem since Xiaopang's version runs perfectly fine. Haven't bothered any further....