Deobfuscate https://goggames.goodolddownloads.com/ links.
Call node deobf.js with the link to deobfuscate, dank, and memes, in that order.
Alternatively, if you have a full folder of saved game pages, you can modify and use 💖 kaylee 💖's extract.sh script.
For more instruxions, see relevant files's headers.
It was just really rewarding to reverse-engineer the algorithm tbh, also, in immortal words of "lesbians, what is ur wisdom" meme: girl hot.