CTCRatfinkz
Ratfinkz has 4 puzzles in the Variant Sudoku catalog, most often with Killer, Kropki and Palindrome. One was solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here4All 9×9
First puzzle2023Broken Paperclip
Latest puzzleNov 2025Rat: Chinese Zodiac
Logic Masters solves1,368Average rating 93% · 1 on CTC
On Variant Sudoku
Favourite rules
Puzzles by Ratfinkz
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
CTC
LMLike Looking in a Mirror.
LMSymmetry
LMBroken Paperclip
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