I'm guessing they used FME, it's certainly how I would do it. FME makes it surprisingly easy to turn arbitrary geographic data into Minecraft worlds. They also

I'm guessing they used FME, it's certainly how I would do it. FME makes it surprisingly easy to turn arbitrary geographic data into Minecraft worlds. They also have an Unreal Engine writer[1] (although I've never used it) so in theory you should be able to output the same data to both Minecraft and UE with the push of a button. [1] https://www.safe.com/webinars/your-data-in-unreal-how-to-bring-your-data-into-real-time-environments/ https://www.safe.com/webinars/your-data-in-unreal-how-to-bri...