Hello, all!
I made a project that allows you to generate world maps procedurally, using a modified version of Conway's Game of Life to allow for cells to be somewhere between alive and dead! The results speak for themselves:
You can try it out here. (WARNING: IT TAKES A WHILE TO GENERATE AT LARGER SIZES!) The slider at the top controls the water level, and WASD controls the camera.
All the blocks you need: