[Brief]
I wanted a gentler way into JavaScript than a blank editor and a list of exercises. The idea: a tiny coffee shop floating in the sky, run by a pour-over drone that does exactly what your code tells it to, nothing more.
[Outcome]
BrewBot runs entirely in the browser, with no sign-up and progress saved locally. Most players write their first loop within ten minutes, mainly because they get tired of typing collect() by hand.