How would the tutorial be The Witcher 1, Where Geralt, hit by amnesia, is brought by his comrades to the Kaer Morhen castle, redone with the gaming engine The Witcher 3: Wild Hunt? After all, the companions of Kaer Morhen and Geralt appear all in the last game of CD Project Red.
Now you can know it thanks to this mod. The result is great, you can take a look at it here:
The first game of the series was the 26 October 2007 and was the first CD Projekt Red game. It is fun to see where the study has come in ten years and a bit sad to see how badly the Witcher ages.