Heroes 5 – by Azmadon (Izmail).

It’s probably more comfortable to play when everything is displayed correctly, like in the screenshot below. I don’t understand what those “bands” are about.

The screenshot just doesn’t capture them; otherwise, in the “correct” version I presented, I get a game image with black rectangles on the sides.
If you “Reconstruct” it, it looks something like this:


By the way, my screenshot from your example is actually in the “incorrect” resolution because I only made the last one in the “correct” resolution. 🤔