Killer Entropy (6x6)
(Published on 11. April 2026, 16:09 by Enchanter73)
This is the third puzzle in my series of 6x6 global entropy puzzles. You can try the previous two here:
1. Double Entropy
2. Entropic Arrows
Cracking The Cryptic video of this puzzle
RULES:
Normal 6x6 sudoku rules apply: Place the digits 1-6 once each in every row, column and 2x3 box.
Global entropy: Each 2x2 area in the grid must contain at least one digit from each of the three entropic sets: {1,2}, {3,4}, {5,6}.
Killer: Digits in a cage may not repeat and sum to the total given.
Click on the puzzle image to play
1. Double Entropy
2. Entropic Arrows
Cracking The Cryptic video of this puzzle
RULES:
Normal 6x6 sudoku rules apply: Place the digits 1-6 once each in every row, column and 2x3 box.
Global entropy: Each 2x2 area in the grid must contain at least one digit from each of the three entropic sets: {1,2}, {3,4}, {5,6}.
Killer: Digits in a cage may not repeat and sum to the total given.
Click on the puzzle image to play
Solution code: Row 1
Last changed on on 13. June 2026, 14:25
Solved by mathpesto, L00ping007, SKORP17, HeyItsErin, tiuhto, cmigas, chocobonight, cathematician, WenVo, pmays123, Md88keys, gdc, SeveNateNine, Mozart40, palpot, nightdream, Phurba, pepe74287, TeddieMilo, ... dingledork, NeroChaos, misko, Caswell, sujoyku, kangaroo, Luaryo, snoswal, Hrothan, MB_Cyclist, geronimo92, Krokant, brunnerh, amirschw, jkuo7, Khatru, MikeMeech, NEWS, thargian, Crul, Krisonium
Comments
on 13. June 2026, 14:25 by Enchanter73
Added CtC video link
on 23. May 2026, 17:22 by Enchanter73
Updated the title
on 12. April 2026, 23:33 by fractalminding
I like entropy. It was fun. Thank you!
on 12. April 2026, 08:45 by nightdream
There were a few points at which I got stuck with the 2x2 constraint, but once I got through those humps, the rest of the puzzle was enjoyable. Very pretty sudoku!
on 12. April 2026, 01:46 by pmays123
This was fun. Thank you for sharing!
