Alien Wormholes
(Published on 24. January 2026, 13:11 by rmulinix)
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Watch on YouTube ▶ My Solve of Alien Wormholes
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Rules
Normal Sudoku rules apply. Place the digits 1–9 exactly once in every row,
column, and 3×3 box.
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Wormholes.
Find nine Wormhole cells in the grid, one in each row, column, and 3×3 box,
each containing a different digit. The value of a wormhole cell equals the
digit in the cell that is 180° rotationally opposite it in the grid, and each
wormhole cell has a different value. Example: if r8c6 contains the
digit 5 and r2c4 is a wormhole cell, then r2c4 has the value 5 regardless of
the digit it contains.
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Natural Cells.
A natural (non-wormhole) cell has a value equal to its written digit.
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German Whispers.
If two cells are joined by a green line, the values must differ by at least 5.
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Killer Cages.
Values in a cage sum to the total given in its top-left cell and do not repeat.
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Region Sum Line.
Thick region borders divide the blue line into segments; the values in each
segment sum to the same total.
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Palindrome.
Values along the gray line read the same forwards and backwards.
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V Clues.
Cells joined by a V have values that sum to 5.
Light gray background graphics are provided as a visual aid for identifying
180° rotational symmetry. They have no effect on the rules and can be turned
off via Settings → Visual → Hide Background Image.
Solution code: 5th column read top to bottom
Last changed on on 25. January 2026, 04:51
Solved by SKORP17, Golden_Feather, SPring, Zzzzz..., Altynbek , QuiltyAsCharged, Jasperrr
Comments
Last changed on 31. January 2026, 21:24
on 31. January 2026, 21:23 by Jasperrr
Very very fun puzzle! I did not mind the difficulty at all. It was quite smooth sailing. The only thing that tripped me up twice was the non-repeating VALUES in cages.
Guess I'm used to cages with no-repeating digits.
on 31. January 2026, 08:54 by QuiltyAsCharged
That was such a blast! It's challenging at points, but nothing too bad if you're familiar with modifier puzzles.
Just remember that each wormhole cell has a different value *and* a different digit.
on 25. January 2026, 04:51 by rmulinix
-grammar
on 24. January 2026, 22:51 by rmulinix
--minor formating change.
on 24. January 2026, 18:55 by rmulinix
-- adjusted difficulty
