One of the major AAA companies (Bethesda, iirc), uses this on their level design...

hellbanner on June 17, 2016 | parent | context | favorite | on: The 100:10:1 method – the heart of my game design ...

One of the major AAA companies (Bethesda, iirc), uses this on their level design. They dream up all of the levels, then design all in parallel across 4 passes.