Alright, I've been trying to get a game to work after fetching it using UrlFetchApp (paper.io). I've seen some of my friends do this to circumvent the game ban at school, but they won't show me how.
So far, I have tried using the UrlFetchApp.fetch(), but that only gives me the html and some broken js of the website.
My question is: how do I make it so the entire website can run normally inside a google script web app?