Compatibility Report

• Name of the game with compatibility issues: El Hijo
• Steam AppID of the game: 853050

System Information

• GPU: GTX 1070
• Driver/LLVM version: NVIDIA 510.60.02
• Kernel version: 5.17.8
• Link to full system information report: https://gist.github.com/inguin/8d108929ba2dce0e5d461957319e8f10
• Proton version: 7.0-2 (also tried Experimental)

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.

Symptoms

The game's video cutscenes aren't playing correctly. The screen is showing multiple overlaid images at different scales and with wrong colors. Only the left quarter of the image is visible, blown up to full screen width:

The videos are plain MP4 files (h264, 1920x1080, 24bpp) and play just fine with mplayer:

I saw the exact same issue with the last game I played ("Labyrinth City", 1421790). Both games are using the Unity engine.

Reproduction

Start a new game and complete the prologue (takes only a few minutes).