Logic Masters Deutschland e.V.

Smelting Iron Ore

(Published on 24. January 2026, 16:00 by Blobz)

Normal sudoku rules apply.

Digits in cages do not repeat, and sum to the given value.

Pink lines contain a set of consecutive digits in any order.

Digits along arrows sum to the digit in the attached circle.

Along green lines, adjacent digits differ by 5 or more.

R8C2 contains a digit smaller than 3. R8C9 contains an even digit.

Have fun, leave a comment if you enjoy the puzzle!

Play this puzzle on SudokuPad

Solution code: Row 9

Last changed on -

Solved by Banana, Ragna, redgecko, thomasd, idanz, zhangjinyang, killje, ludvigr04, RickiFerrara, miaucat_, skywalker, maniacaljackal, Fizz, jordanza, hige, Testpilot Pirx, gdc, mcc, Greg, xocolatl, Guillem98, ... Chilimy, ringel, supersim2000, geronimo92, TCK Green, AroundTheClock, Googleeyes, UsernameDave, timww572, deangaudet, snuuba, holmic, Grey, TeddieMilo, caLiber, Leaving Leaves, Frymanc, Jibanyan
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Comments

on 12. February 2026, 03:28 by kenfair
Cracktorio strikes again!

on 4. February 2026, 03:34 by NotSoMagnifique
Probably the only Factorio I'll ever do, and that's ok!

on 30. January 2026, 03:35 by KyleBaran
Oh hell yeah, Factorio

on 25. January 2026, 14:00 by jorningekr
Nice puzzle

Bugs me slightly that that the less than clue really is not needed

on 25. January 2026, 13:02 by ukjohnd
Very Nice, two of my favourite puzzling distractions in one!

on 24. January 2026, 21:08 by Exigus
Almost 3k hourse of factorio "under my belt". Nice interpretation, thanks!

on 24. January 2026, 16:30 by Ragna
Fun puzzle! Thank you. :-)

Difficulty:1
Rating:94 %
Solved:308 times
Observed:2 times
ID:000R3F

Variant combination Online solving tool

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Solution code:

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