I wrote a number of web quizzes based on MSX games, but be aware they get more and more difficult. I don't believe more than 3 people solved the last one.
(There is a intentionally missing one. #4 was only available live during an MSX meeting in Jaú).
Web: MSX Web Quiz #1 (player edition)
Web: MSX Web Quiz #2 (logo edition)
Web: MSX Web Quiz #3 (power-up edition)
Web: MSX Web Quiz #5 (enemy edition)