Jan 20
Probably my new hardest sudoku, although it might still be something in sudokuvania. Trying to figure out the ways simple-loop and sudoku overlap was very cool but very hard. Especially since loop is probably my weakest penpa genre.
3 hours well spend, I feel great that I managed to finish it without any hints. I'd recommend it if you like really hard sudoku's, and liking loop-genre penpa's probably helps and makes it easier.