My source for 11 was a did you know gaming video.
https://www.youtube.com/watch?v=Agypp8AOCI0
From 8:06 onwards.
Also Mario Teaches Typing and the slightly earlier Pinball machine were both released before Mario's Fundamentals.
The answer for question 20 is correct.
Here's the 1976 version of the game.
http://blog.beforemario.com/2012/09/nintendo-kousenjuu-duck-hunt-1976.html
Here's a video of the 1976 version in action.
https://www.youtube.com/watch?v=aJOkrp7VG60
Lets see how many of these questions you can answer without looking up your favourite internet search engine for answers. Though feel free to do so afterwards.
You might want to keep your answers in spoiler tags for a while so others have a fair chance of answering them too.
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