Correct. Steam, a native Linux app, will run Windows games via Proton. As Steam itself, which is collecting the data in TFA, is a Linux app, it shouldn't be aff

Correct. Steam, a native Linux app, will run Windows games via Proton. As Steam itself, which is collecting the data in TFA, is a Linux app, it shouldn't be affected by thinking it's running under Wine/Proton. As to your original question, I don't think many developers release information on what OSes their players are using, so I don't think we can tell