So, back then, I used to think that 4:3 and removing overscan should be the perfect aspect ratio wise, which is what PCSX ReARMed do. Today definitively the ultimate aspect ratio is 4:3 choping horizontal overscan if having any and cutting of 8px top and bottom which is pretty much the Expanded mode of my CRT and the most common standard old CRTs. There are a ton o games that still display garbage textures and just removing the letterbox is not accurate like I used to think.
And I’m not entirely sure if the Heart of Darkness’s black bars really was an artistic choice, at least in the original PAL version. I didn’t find any footage of the original PAL, not that I really searched too, but what I found was this italian box…
In the screenshots there’s no black bar and the aspect ratio are squared… And the NTSC’s manual there’s no black bars too, but the screenshots are more rectangular…
The letterbox could be intentional or could just be a lazy port, to really confirm you need a PAL version running on a real PAL console in a real PAL CRT TV.
But anyway, this don’t change the fact that the really accurate way to display the NTSC version is with black bars, since is that way that the NTSC version of the game in the original hardware on a real CRT TV is displayed
Just ratifying.