Filter to dither to color palettes?

Game Engine Game Engine Support and Discussion
1

I recently saw an interesting horror game on itch .io that used an filter/post process to dither the colors on screen to 5 different shades of green, like old game boy games.

image.png1024×768 71.3 KB


I believe that this game is using Unity.
Is there a filter like this for the BGE that anyone knows about?

Attachments

image.png1024×768 74.7 KB

2
3

Thanks, that looks like what I need. One question though, is there any way to remove the “grid” effect so that I get something like this?