I used to work in video games and yes we used it for level design and initial import in to 3DSMax. The artists then built an optimised geometry to match. Desig

I used to work in video games and yes we used it for level design and initial import in to 3DSMax. The artists then built an optimised geometry to match. Designers love it as they can get exactly what they want and artists love it because they do level iteration with high poly difficult to manipulate levels.