This is a Out of Sight puzzle.
(Click for larger size)
This is a Multi-Ouroboros puzzle.
Unrelated note: I seem to have been cursed on LMI in the past months where I am unable to get any ranking I’ve gotten before, which is a problem for instance when your rankings on your first six tests are 1 to 6 (I got 7th on the next one; go figure). Finally broke the curse in the best possible way by getting 1st a second time on the sprint test.
This is a Slitherlink puzzle, with a twist. All of the twos are given to you in this puzzle. That is, any unclued square cannot have exactly two segments of the loop surrounding it.
Celebrating the blog’s second anniverary. For those who think this puzzle is boringly easy, try to see how few non-2 clues you need to solve it. The new rule is a tight constraint, so the minimum is probably pretty low.