Peter Oliphant Video Interview, Part Three

In the third and final installment to Matt Barton's video interview with former Mattel and Interplay designer Peter Oliphant, we finally hear quite a bit about the "hellish" development of Stonekeep and the half-a-million dollars that Peter ended up pocketing on it. He also briefly mentions Stonekeep II and how he benefited from it, despite it ultimately being cancelled: