Stupid question, how does anyone even know if and when you finish the game? For that you would need to know how many things and quests there are to do. The general public doesn't know that only the games makers do. I am a very casual player. I played the witcher for over a year. Never even scratched the surface. I do not understand how any game critic or you tuber can complete a game in what I have seen quoted as 20/30 hrs play. It's not possible. Things pop up by random decisions so if you do one thing you miss another. Hence my quote, it's not possible!  Maybe you can explain it to me?