The Munchkin CCG flopped so hard it left a crater (despite not being bad), but I think that was more because of the distribution model than the property. People still seem to very much enjoy The Munchkin Cardboardmatic Universe, even though I have no idea what that actually entails.
Making a CCG in this day and age is suicidal and I don't know how Steve Jackson, who is such a good bussinessman, didn't see it coming. I don't see the property making sense as a CCG, either.
SJ does yearly reports and is fairly transparent so he talks about how Munchkin is doing and so on. He probably has a report on the website or will post one soon, since it's early in the year.
There was a time when Steve Jackson was the premier source of AmeriTrash Games. Maybe the late '70s through the late '80s. His games were compact, affordable, and loaded with action. And he was ahead of most of the industry when it came to cashing in on expansions and spin-offs. That may have led to some complacency when he was easily selling anything with the names Car Wars or GURPS on it.
The Secret Service raid might have been a turning point, or just unfortunate timing. They mistakenly perceived his GURPS Cyberpunk supplement as a handbook for hackers, and went after him hard. In the aftermath, Jackson jokingly put out a Hacker boardgame. But after that, it seemed like Steve Jackson Games couldn't keep up with the industry anymore. Companies like White Wolf and WotC were eating into their market share, and all SJG could come up with was Munchkin and plush Cthulhu dolls.
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