Hello @sifiro, it might be interesting to test how the game behaves with its launch options set to `PROTON_SET_GAME_DRIVE=1 %command%` and backing out your workaround.
Okay, It looks like it works as expected. (Now loads from virtual S drive) [Info.txt](https://github.com/ValveSoftware/Proton/files/9072500/Info.txt) So... PROTON_SET_GAME_DRIVE huh? Good to know. Thinking about it, I to...
Hello @sifiro, it might be interesting to test how the game behaves with its launch options set to `PROTON_SET_GAME_DRIVE=1 %command%` and backing out your workaround.