The problem here being that it was sent to the publisher Faber & Faber as "fan mail" rather than to Richard himself .... as certain people who knew Richard were uneasy about giving it to him directly. That was all I could do. Didn't work.
Still, I got my answer from Richard ... I guess.
Here's a speed run on the Roger Rabbit NES game. Wow, this game actually did suck, didn't it ....