The zee around you began to flicker, revealing pixelated edges. The mountains of the Neath were just polygons now. A giant, grinning face—the "Player"—looked down from a sky that was suddenly a living room ceiling.
It looks like you're referring to a Nintendo Switch game. Here's the information: Sunless Sea- Zubmariner Edition Switch NSP Free...
The Zubmariner Edition includes several new features and improvements, such as: The zee around you began to flicker, revealing