Is it possible to scale the terrain?

Hello!

Terraform Pro is perfect for my game, but I am new to everything GIS, so I have a question regarding terrain data and QGIS.

I am downloading all data from the USGS site and successfully make all steps in the tutorials and the terrain actually looks good in the engine. But for my game, the real-world scale is quite big and I want to scale it to 1:35.

How can I achieve this? If I scale it in UE4 via the transform only the terrain becomes smaller, but all spline roads remain the same.

Is there a way to reduce the scale in QGIS? Currently, I’m only able to reduce the resolution to 8129 via the export, but the actual dimensions remain the same.

Thanks in advance,

Todor