Spectra IV
http://forum.6502.org/viewtopic.php?f=2&t=2089
I only know of a few of these in various collections and I don’t think any I know of are functional. The guy who created the post in the link is a friend of mine who has one in Houston.
For those interested here is a link for info and photos of the game at the Internet Pinball Database website.
https://www.ipdb.org/machine.cgi?id=2273
At the Internet Pinball Serial Number Database website there are more registered now than the last time I checked.
Bill,
wrkey is Rusty Key of the Game Preserve, an area arcade down in Houston.
Nightmare Tony passed away from his cancer after it spread to his brain.