The GOG version doesn’t come with widescreen and controller support. I had to install a custom widescreen patch for the game and use AntiMicroX to enable controller support.
This whole thing has been a frustrating ordeal for trans people in Germany.
The founder of Wagner, Dmitry “Wagner” Utkin, was also on board.
That doesn’t allow you to update the game though, so it doesn’t work out great for new games with frequent updates and a large download file size.
I’m getting quite fond of the coining of this concept of “enshittification”.
Pretty sure the only way is cloud gaming via Edge (which, yes, has a Linux version)