Well i mean it is a bit more advanced than this - i can use any downscaler res (with any pixel ratio) and any palette you provided. note - you can buy it on unity store or here on itch.io, and it's only 2 dollaz
https://smoke-th.itch.io/darkbringer-retro-shader
https://assetstore.unity.com/packages/vfx/shaders/fullscreen-camera-effects/dark...