I managed to cheat this by buying a bunch of DVDs and making my window as small as possible, meaning they hit the edges much more often and gained me infinity stimulation.
Respectfully over on r/anki I see maybe 3 or 4 posts a day about a new AI tool for Anki. It seems like people are reinventing the wheel more than they are using Anki...
However, this seems different.
> automatically improve cards you find challenging.
This is not something I have seen any of those other tools attempt to do yet :-)
slightly related but mathsisfun is a goated website. one of the all time greats. myself and many other people only got through maths because of this site.