Music Theory Examples in Video Game Music
Music Theory Examples in Video Game Music goes from basic music intervals to functional chords, modalities, substitutions, and more.

Music Theory Examples in Video Game Music is a massive list compiled by Dr. B.A. Ferguson, a professor of music at the College of Southern Maryland, with contributions by T.J. Laws-Nicola, and Alan Elkins. Ferguson teaches music theory, ear training, private guitar, and history of rock music in world cultures.
It is a “living document,” which means it will continue to grow as new games come out. Ferguson, Laws-Nicola, and Elkins also accept submissions. It is currently (December 2022) a massive resource at 36 pages long, single-spaced.