Sorry to res this old thread, but I stumbled upon something tonight and wasn't sure if you had this info. I found an email address for David Caruso from 2000 or so. I'll paste it here. caruso@efn.org. Hopefully you might be able to get in touch with him and see about the PC version which I'm guessing was never released or if he has a newer C64 version than was on Loadstar. Goodluck.