With the wide circle that would normally be red it means no bikes beyond this point in Europe and most of the world

I think she means the whole idea of bike friendly infrastructure as a US citizen. But thats my interpretation, the comic isn’t very clear.

That sign usually means no entry for bikes so I was confused for a moment

Yeah I guess it still is. I just personally haven’t seen it in a long time.

Doom nowadays usually steals the show as far as impressive visuals on weak devices go.

It used to be a popular demo for displaying on ancient or weird hardware. Here’s a massive playlist:

https://www.youtube.com/playlist?list=PLrjpwekK1wIAhdAOTmRyAryvpm45MutRu

They really can display Bad Apple on anything!