[mattround]

(So yes, you can rack up points from simple blocks of colour up to a point, but need to get the shapes right to go higher)

[lbourdages]

My child-level attempt got 63.1%, so there are definitely diminishing returns.

Side note, I did not notice the button to show the reference until I was almost finished. I would most likely have done better if I had known :)

[calderknight]

I wouldn't be too sure. My first attempt got ~67% without using the reference. My second attempt got 60% with the reference.