I posted info on Coleco Quiz Wiz Challenger. It can use the same quiz books as the handheld version. The handheld version has a simple custom IC to generate the answers; they must have programmed the same logic into Challenger's TMS1000.

http://www.seanriddle.com/tms1000.html#quizwizch

And a quick vid: https://youtu.be/252MoaA5nyw

Last edited by seanriddle; 02/27/17 11:10 PM.