Obra Dinn took a lot of experimentation to get right. The devlog for it on TigSource[1] has some big parts just related to dithering. For instance this post[2]

Obra Dinn took a lot of experimentation to get right. The devlog for it on TigSource[1] has some big parts just related to dithering. For instance this post[2] and this post[3]. A user called Koloth also helped provide an Atkinson-like effect that works in a shader. [1]https://forums.tigsource.com/index.php?topic=40832.0 https://forums.tigsource.com/index.php?topic=40832.0 [2]https://forums.tigsource.com/index.php?topic=40832.msg1217196#msg1217196 https://forums.tigsource.com/index.php?topic=40832.msg121719... [3]https://forums.tigsource.com/index.php?topic=40832.msg1363742#msg1363742 https://forums.tigsource.com/index.php?topic=40832.msg136374...