Please convert the old binary level files to python so that they can be more easily read, understood, improved and used as the basis for new levels. Right now they are in a binary format that isn't human readable, even after unpacking MacBinary.
Originally reported at https://bugs.debian.org/723880
PS: I see in another bug that bubbros isn't being maintained any longer. I am willing to continue the minimal maintainance that would be needed.