The post discusses the availability and quality of the documented and annotated source code for the classic game Elite, released on the Commodore 64. Users in the comments highlighted the clarity of the documentation, with particular mention of a ship type called 'Cougar' which does not seem to appear in the original game. Additionally, there is a reference to a known bug related to the auto-docking feature, suggesting that this documentation could enable enthusiasts or developers to fix such issues. A YouTube documentary titled 'The game that couldn't be written' is linked, providing further exploration of the game's development challenges.