Posted November 27, 2020
timppu: EDIT: Oh, EU GDPR... so is the Galaxy client supposed to tell you what kind of data they are collecting and for what purpose?
Gersen: It's in the application agreement: 4.3 GOG GALAXY Application.
If you use GOG GALAXY Application (including GOG GALAXY Store) we will also collect technical logs, information about achievements in games you play and how long you play them; your multiplayer sessions and your activities in the GOG GALAXY Application and on other platforms connected to your GOG account for the general operational purposes of GOG GALAXY Application. If you choose to connect your accounts from other platforms with GOG GALAXY Application , depending on the features that the particular integration currently supports, GOG will access personal and non-personal information such as your user name and user id, avatar, game list, gametime, game achievements, friend list (user name, user id, avatar) and their status, chat and conversation history. We will not store your account credentials. In addition, if you purchase games using GOG GALAXY Store, we will collect information related to your transaction mentioned in point (d) above as well as the relevant product id and product entitlement id. You can read more about this optional account connecting feature in our GOG GALAXY Application Privacy Notice here. The Privacy Notice forms part of this Privacy Policy.
As long as Galaxy doesn't start logging and collection things that you are doing "outside" of it, as some games or client where sometime caught doing, there is not really anything "shocking" or "outrageous" in the OP's list.