I've been playing some games through ScummVM, and there's a cool feature that lets you load the game using whichever graphics mode the software originally supported. It also lets you use shaders to simulate a CRT, because these bare pixels were never meant to be seen with human eyes. I thought it was fun to compare the art from the different versions.
The posted image is from the EGA version
Here is the CGA:
And Here is Hercules(Amber):
Oh man, I remember that brief time where games had a "256 color mode."