Ruffle, a Flash Player emulator built in Rust, is being used on archive.org to allow modern browsers access to classics like n, All Your Base, Weebl and Bob, Strong Bag Emails, Happy Tree Friends and many more.
Jason Scott writes:
Thanks to efforts by volunteers Nosamu and bai0, the Internet Archive's flash emulation just jumped generations ahead.
Mute/Unmute works. The screen resizes based on the actual animation's information. And for a certain group who will flip their lid:
We can do multi-swf flash now!
A pile of previously "broken" flashes will join the collection this week.
I assume it's the standard inertia-type reasons: doing nothing is easier than changing a bunch of stuff, not changing involves fewer unknowns, and they probably have ad blockers and custom rules that mean they don't personally have to deal with the worst of it.