itch.io

The embeds also fail if you're using an addon like Smart Referer to (try to) your preserve privacy.

I'll try to file an issue and get itch.io & it's CDN properly added to the default whitelist.
@leafo, could you link me to an example of a legally/properly externally embeded itch.io game?
Also, can v6p9d9t4.ssl.hwcdn.net be safely harcoded? (or will a more generic exception be needed like *.ssl.hwcdn.net ?)

Meanwhile, to any other users like me, adding this exception did the trick:

Based on the error message you posted, it sounds like you tried to run the .js file, instead of opening the html file in the browser.

short, sweet, & poignant; a real gem.

Thank you for sharing this with the world  <3

Well, it's not really what you want, but if you have a copy of PICO-8 you could make mods for the original/classic version of Celeste

I accidentally and recklessly quit to world select after beating Wacky Woods, the key isn't there when i open the world, but i didn't get it either.

Help! D: What do I do??