On Thu, 1 Apr 2021 13:19:04 -0700 (PDT), Thomas
wrote:

Are there harder ones above level six?
These are brutal but toss me something harder.
Inigma was hardest for me, infinity was easy., quartet disassembled but cannot put back.



https://www.killersudokuonline.com/

Scroll down to Mind Bending 795

Screen-snip ; save ; print a few copies -
.. it took me ~ 5 tries.
John T.