Novena diabolos is an Ocult mystery adventure game. The main character, Park Joon-sung, has to find a single human woman who doesn't know who she is and get out of town safely.
This game supports Steam Deck's native display resolution but does not set it by default and may require you to configure the display resolution manually
This game displays compatibility warnings when running on Steam Deck, but runs fine
All functionality is accessible when using the default controller configuration
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck