It has everything of the old RE2 plus some quality of life improvement, like you can skip the loading animation of the doors. The graphics are also a little sharper. I will end up buying all three. Very good work from GOG.
It's all there as you remember, but with very few improvements and underwhelming graphics. You would expect a little more polished version but it's not the bad either.
I used to rent this game all the time, and I still remember the big cheat! It feels good to play, it's a good buy if you don't mind the outdated grafics.