I tried finding a python script in google that will generate a random terrain when the game starts (or each time a the player advances to a new scene) but all the tools I fo
Simplest way to achieve this is to cheat a little. Instead of actually generating random terrain make a random cloud texture (not sure how to do that with phyton) and then make the displace modifier use that texture and that's it! I'm not sure how easier it could be.