Shaders
Applies a full-screen post-processing shader effect to the game. Mostly cosmetic — some effects like OUTLINE or SOBEL can make things easier to see.
Shader
The shader effect to apply.
Options: NOTCH / FXAA / ART / BUMPY / BLOBS2 / PENCIL / COLOR_CONVOLVE / DECONVERGE / FLIP / INVERT / NTSC / OUTLINE / PHOSPHOR / SCAN_PINCUSHION / SOBEL / BITS / DESATURATE / GREEN / BLUR / WOBBLE / BLOBS / ANTIALIAS / CREEPER / SPIDER.