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Whenever I start Hades on Steam it asks whether I want to run the DirectX, Vulkan or 32-bit version. I always use the Vulkan version, and it would be great to not have to select this every time. Is there a launch option or something I can set to always run the Vulkan version?

One solution floating around is to move away the "x64" folder and rename the "x64Vk" to "x64", but people are reporting issues like the Steam overlay, achievements etc not working. Others are suggesting a launch option of "-vulkan", but that doesn't do anything as far as I can tell.

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The Launch Editor of SteamEdit is the only way, as far as I know, and it's limited to Windows/Wine. I can't test, and it's been almost a year since it's last update, so it may be broken/unmaintained now.

What it does is modify a Binary VDF (Valve Data Format) file to replace launch options (create/remove), change the visible game name, it's name used for sorting, and etc. Based on my own outdated project, the file seems to be appcache/appinfo.vdf.

It would be possible to modify this manually, but it would be hard because the file is updated when there's an update to an app/game and destroys the customization. It's also difficult because of lack of documentation of the BVDF file format, and outdated/broken-by-design parsers, along with next to no serialization code.

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