Many of those bigger BASIC games (Wizard's Castle, The Valley, Nightmare Park) were really absorbing. I still have many Commodore PET listings; pre-internet, I was delighted to find a copy of King among them - I remembered playing it, but couldn't find it in any of my books or magazines.
To think... were something to happen to you (or Tom), that could have been the loss of some significant bits of microcomputing history!
Tom gave me half a dozen more; I'll find someplace to put them up and provide a link.