Bad news, I'm afraid.
I evidently fell too far behind in the Wordpress upgrade treadmill, and someone poked around and messed up the database.
I'm super busy these days with my new venture: Magic Pixel Games, so it's unlikely that I will be able to fix this any time soon.
The venerable Design-a-Tron, the only tool you need to design cutting edge video-game masterpieces.
That will have to do for now. It's been grand!