Thanks! I hope so too.
The innerworkings of the shader are described by the Return of the Obra Dinn dev himself in this forum thread TigForum
His dev log is a great read even if you are not much into technical stuff.
Viewing post in HydrOS jam comments
Imagine taking the time to make some of the dither stay in one place, and not move with the camera : https://danielilett.com/2020-02-26-tut3-9-obra-dithering/
& https://forums.tigsource.com/index.php?topic=40832.msg1363742#msg1363742
Obra Dinn's visuals are some of the most impressive and well programmed dither shaders i've seen.