Runs perfectly out the box
The three-screen display option makes the map/status screen too small on the Deck's screen, so use the two-screen display option.
Some music doesn't get played in some parts of Haunted Castle Revisited, but otherwise plays like it should
in Haunted Castle Revisited, no music plays on the title screen, the opening cutscene, when clearing a level and on the world map. during actual gameplay the music plays like normal
TDP and GPU Clock Speed Changes for Saving Battery
Set a TDP limit of 4 and GPU Clock Speed Frequency of 800 to add up to 3 hours of battery life.
This was first reported by us on SteamDeckHQ and is from this article: https://steamdeckhq.com/news/castlevania-dominus-collection-on-steam-deck/
Updated Nvidia drivers from 535 to 550 and the game worked without issue.
Works straight out of the box
DS castlevania games bb
Major slowdown issues, seems to also happen to some users on windows so it's not unique to linux/proton
Severe lagginess/slowdown makes the games unplayable
Tried with the recommened steam settings, proton-GE-9-11 and proton experimental