Generate 2D terrain using this Perlin Noise generator. Press space to change between color and shade. Faster Version: https://phosphorus.github.io/app.html?id=49119758&turbo=true&full-screen=true -Hold space and do turbo mode for awesomness!
Thanks to Wikipedia for functions. I just combined them into one huge formula. There are 4.2682522381202740079697489151877373234298874535 × 10^255 different possibilities.