Definitely not the same technique, but at one point I watched a Mario Maker puzzle level someone had uploaded that used part of its own level code as a clue. The trick was that only two characters of the level code were used, which is hexadecimal, so there are 256 combinations of those two characters, allowing the level creator to brute force re-uploading the level until getting the desired combination.
georgespencer|6 years ago
http://www.alaricstephen.com/main-featured/2017/7/3/the-clin...
vl|6 years ago
I'm going to try to solve it both ways. :)
Lammy|6 years ago