Got 27 on my first try, never managed to beat it afterwards.
You do need to get a bit lucky to not get as many moles on the outside, since then spin faster and are way harder to hit. Maybe moles on the outside could have been a bit larger to offset that.
It also made me a bit dizzy trying it a couple times in a row, but that is to be expected for stuff that keeps spinning ;P
Great job for a first jam (and I liked the OPTION menu a lot ;P)