Managed to get 760 boxless on Turtle 1 by leaving myself an extra turtle at the first island while I still had the spell at level 1 so that I wouldn't have to spend the higher spell cost later.
I'm so excited!!! I'm so used to struggling to match your scores, I never thought I'd actually beat one. ^.^
I run into a weird itch.io error when I try to post the screenshot, it keeps saying "Please complete the verification to continue".