Compatibility Report

• Name of the game with compatibility issues: Shikkoku no Sharnoth
• Steam AppID of the game: 1776400

System Information

• Steam Deck (512 GB), Stable release channel
• Proton version: 7.0-4 (5.0-10 also tested)

I confirm:

• [X] that I haven't found an existing compatibility report for this game.
• [X] that I have checked whether there are updates for my system available.

Log from booting and closing the game upon reaching the title screen: https://gist.github.com/bakaneko420/5f187b4b08a6a1494b93c624f078b174

Symptoms

Movies do not play. All are .mpg files. There's one that should play upon application launch, but does not.

Reproduction

1. Launch the game
2. The opening movie does not play