The Nostalgia shader was made by user RRe36, the same person who created another amazing set of Shaders which are called the Kappa shaders. This is exactly the kind of reaction we had when we first took a look at Minecraft’s Nostalgia shaders. Even if you don’t have nostalgic memories of something, sometimes you’ll look at something, and you can get a distinct feeling that you’ve seen it somewhere before.
