You can get the free games over their website, if you don’t want to install the client. You are right about boosting their numbers though.
I think simulation or generally CPU intensive games benefit the most, for example Anno 1800 or BeamNG Drive
That’s a good alternative, yeah.
One-click claim url: https://www.gog.com/giveaway/claim
Fairphone also at least tries to create / source their phones fairly. Not important in terms of privacy, but somewhat explains the higher price tag.
Very pretty, what type of cats are they?