MATLAB Help:
Compare strings. (2006). Retrieved November 14, 2018, from https://www.mathworks.com/help/matlab/ref/strcmp.html
Open file, or obtain information about files. (2006). Retrieved November 17, 2018, from https://www.mathworks.com/help/matlab/ref/fopen.html
Hangman Pixel Art (created on):
Free Online Art Community and Pixel Art Tool. (n.d.). Retrieved November 21, 2018, from http://www.pixilart.com/
Word Database:
3000 most common words in English. (n.d.). Retrieved November 20, 2018, from http://www.ef.edu/english-resources/english-vocabulary/top-3000-words/