Well the biomes and shapes are the same but the heights and structures are different. Could be a cool way of making a "new game +".

pretty close, very close in ways. But that's the thing with random on cpu, it's never really random. What that says to me is they are using the clock to generate RNG. they do look somewhat typical, however very similar, none-the-less.
If not mistaken you can invert the capitalization and get results kind of like that.
any numbers you simply keep. tell me what you find.
My pet project is a astronomical coincidence, With a isolated Trader locale inside a large circular mountain valley. Natural 360dgr walls..