Nothing specific, I’m hoping for the opposite. Something most people either aren’t familiar with and/or just something you enjoy.
The website shows the depth of the sea. It takes a really long time to get to the bottom
Here’s the same thing for space!
If the Moon Were Only 1 Pixel, A Tediously Accurate Map of the Solar System
https://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html
Oh dang that’s a pretty good one. Good find
https://neal.fun/password-game/
Starts off fairly easy, but quickly just becomes ridiculous. I’ve only gotten about 14 steps in so far.
Some of these are specific, my apologies.
Waste time with the internet archive
Waste time with beats
Waste time with chords
Waste time with fonts
Waste time with today
I really wish Flash was still a thing, my favourite way to waste time was addictinggames or newgrounds back in the day