The game needs Media Foundation for Intro videos, cutscenes and even main menu background. Otherwise the game works without any issues.
Lines of interest in the log:
1568.682:003b:003c:trace:loaddll:load_native_dll Loaded L"C:\\windows\\system32\\MFPlat.DLL" at 0x1b7b0000: PE builtin
1568.689:003b:003c:fixme:mfplat:mfsource_CreatePresentationDescriptor (000000000F49C4F0)->(000000000F496C98): stub
1568.689:003b:003c:fixme:mfplat:mfsource_BeginGetEvent (000000000F49C4F0)->(000000000F496C78, 000000000F49C4F0)
Proton: 4.11-11
steam-529660.log
https://gist.github.com/NoXPhasma/bdb968b982721004dfa4463beff9feea
I finished the game on Steam Deck with Proton 7.0-4 and only cutscene that didn't worked was the final cutscene after you defeat the last boss.
Whitelist Request
System Information
I confirm:
Playbutton in the Steam client is sufficient.are necessary to run the game.
Issues
remaining issues:
It seems that to get consistent performance, it's required to turn off vsync. With vsync on, the game will stutter and go down to around 40 fps. If you disable it in-game, it'll stay pretty consistent.