Straightforward walkthrough of the game. Does not guarantee 100% of points. This is a beautiful game, wonderfully acted with many interesting hidden objects and discussions. You will miss out on a LOT if you only do what is required! This is not a friendly... 

Guide expliquant comment ajouter les voix françaises d'époque sur la version Steam / Guide which explain how to add retail french voices on the Steam version. 

 

Here's a way to make Steam Overlay compatible with the game, which will be useful if you want to take screenshots (which require Steam Overlay to be active). 

Voici un moyen pour rendre l'Overlay Steam compatible avec le jeu, ce qui sera utile si vous désirez prendre des captures d'écran (qui nécessite d'avoir l'Overlay Steam d'activé).