I think is a very well made game.
Funny dialogues between the characters, a lot of shootings, interesting story.
The only problem I have is with the looooong drives in some of the missions.

In the old GTA SA version (not the definitive edition), if you play on Windows 10 you won't be able to move your camera.
Here is a link to a video to help you fix this:
https://www.youtube.com/watch?v=V3MsI3LaewI&list=LL&index=1