If you want a fun way to revisit the game but don't want to replay, the 50min "Developers React to 50 Minute Speedrun" is a ton of fun: https://www.youtube.com/watch?v=sK_PdwL5Y8g
It highlights some of the architectural decisions (and how players exploit them), and has gems such as one of the commentators having their entire section skipped by the speedrunner.
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