Help: Cygni/Epic/HGL/SteamDeckOLED/Steam Beta

Cygni is the Epic free game this week. Unfortunately it is not working for me. Installed using HGL. Added to Steam. Set compatibility to GE-Proton-Latest. Running on SD OLED w/ Steam Beta.

When launching, I sometimes get as far as the Konami loading screen but then it crashes.

Tips? Ideas? Anyone else get this working properly?