Basically, numerous small stuff. Not the same sprites for example (on PSX they all got resized), the lighting method isn't quite accurate (you can set sector colors but they way they'd blend under GZDoom's renderer isn't the same), etc.
Basically, numerous small stuff. Not the same sprites for example (on PSX they all got resized), the lighting method isn't quite accurate (you can set sector colors but they way they'd blend under GZDoom's renderer isn't the same), etc.