This is an improved version of my project "Continent Generator 2": https://scratch.mit.edu/projects/723822577/
and now includes more accurate lighting, a 3D option, and more colour options.
I would highly suggest using TurboWarp: https://turbowarp.org/771870001?hqpen&size=640x360
Move the sliders (at the top and on the right) to change the settings.
Press space or click/tap to render.
Press 'r' to make a new seed.
Press 'f' to add to the 'favourite seeds' list
TurboWarp is a Scratch mod that compiles projects to JavaScript to make them run really fast. Try it out by inputting a project ID or URL above or choosing a featured project below.