Iridis Alpha
is a classic of the 8-bit home computer era. An innovative,
side-scrolling shoot-em-up for the Commodore 64 published by Llamasoft in 1985 that was notable then and now
for its technical accomplishment.
IRIDIS ALPHA THEORY unpacks the assembly code of the game and pores over it in minute detail. There are also lots of pretty pictures.
You can download and read a sample of the book here.
If you'd like to read the full edition you can purchase it on Amazon at a very reasonable price.
Find out more about the making of this book at its github repository.
psychedelia syndrome , a book length treatment of psychedelia that goes into the game's mechanics in just about the same insane level of detail as this one.
It's not really a theory.