[izzydata]

If Helldivers 2 was on GOG it would still require a PSN account.

[PoignardAzur]

I think GP's point is more "if you're on Steam, here's how you can check that info".

[adamzochowski]

If it were on GOG, there would be no DRM or third party accounts required. With potential exception for online play. But most GOG games are single player offline games. Even online games would be more of the type where you run local server and connect with you friends by sharing IP:port combo.