Logic Masters Deutschland e.V.

Double the Devil you know

(Published on 1. May 2025, 19:27 by Jolly Rogers)

RULES:

  • Normal Sudoku rules apply.
  • Fog: The grid is partially covered in fog. Correctly placed digits will clear fog in that cell and sometimes other cells. No guessing is required.
  • Doublers: There is exactly one doubler cell in every row, column and 3x3 box, with each digit from 1-9 appearing once as a doubler. The value of a doubler cell is double its digit.
  • Region Sum Lines: All lines in the grid are region sum lines. Each line is a different colour. Box borders divide a line into segments of equal sum (value). Lines only travel orthogonally from cell to cell and do not overlap each other or themselves.

LINKS:

Play on SudokuPad

This is the first puzzle I've set involving doublers, hope you enjoy.

Solution code: Column 2 (from top to bottom)


Solved by SKORP17, jalebc, Piff, dickey, ole-1995a, jinkela114514, jkuo7, bansalsaab, KyubiBoy, rkm_sts, Smoncko, zhugelianglongming, maniacaljackal, Ramez, sarabtx, ostio456, oskode, kublai, joelth
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Comments

on 22. May 2025, 14:28 by Jolly Rogers
Thanks for solving, and the nice feedback :)

on 21. May 2025, 20:20 by oskode
I agree with ostio! Very hard yet very fair and incredibly beautiful. Deserves way more solves and a much higher rating. Thank you for this absolute gem!

on 21. May 2025, 04:22 by ostio456
Wow, what an amazing puzzle. At first glance I wasn't going to bother as it looked too hard for me, but I found with a lot of perseverance and thought the puzzle slowly began to reveal its secrets. I would honestly says it's one of the best puzzles that I've had the pleasure of coming across and solving' I have no idea how it doesn't have more plays or a higher rating, because it absolutely deserves it. This is a very challenging, but rewarding puzzle. Thanks for setting!

Difficulty:4
Rating:88 %
Solved:19 times
Observed:4 times
ID:000N56

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