Sternenburg (Star Battle Fortress Fillomino)
(Published on 3. November 2026, 06:31 by PrissyP)
Fortress Fillomino:
- Divide the grid into orthogonally connected regions and fill each cell with a number (not necessarily single-digit) showing the number of cells in the region to which it belongs.
- Each region must be either high (strictly larger than all of its orthogonal neighbours) or low (strictly smaller than all of its orthogonal neighbours).
Star Battle:
- Fill some cells with stars so that each row, column, and region contains two stars.
- Stars cannot be placed in adjacent cells that share an edge or corner.
- One star has been given.
Kropki Dots:
- A white dot separates regions whose size differs by 1.
- A black dot separates two regions where one is twice the size of the other.
- Not all possible dots are necessarily given.
Battenburg:
- A Battenburg marking is placed on a point where the four surrounding cells form a 2×2 checkerboard of high and low cells (diagonally opposite cells are both high or both low).
- All such points are marked.
Solution code: Row 2 digits, left to right, with a * behind the digits for cells with a star. Enter just the last digit for any two-digit number.
Example: 1777*773355*
Comments
on 4. November 2026, 04:39 by Agent
Cool idea, fun solve!
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Thank you, glad you enjoyed it!
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on 3. November 2026, 21:38 by MaizeGator
I love a good "build your own star battle" puzzle. The integration with fortress fillomino was a great idea, I thought.
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I'm glad you liked it.
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on 3. November 2026, 10:25 by PrissyP
solution code clarification
on 3. November 2026, 10:04 by Grausbert
Great puzzle, very smooth and a clear path overall.
As it wasn't super clear to me: The Answercode is just the last digit for any two-digit number.
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Thanks, I am glad you enjoyed it. I edited the solution code description so it is more clear.
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on 3. November 2026, 07:20 by NorrisFByrd
This looks like a really neat combination. I like how the star placement and the region sizes have to work together, it feels like every clue will pull in two directions at once. I have not tried a fortress Fillomino before, so I am looking forward to giving this one a proper go. Thanks for putting it together.
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Thanks for your interest, I hope you enjoy the puzzle. Feel free to ask for a hint anytime on Discord(prissyp0431) or here. Fortress Fillomino Takes a little bit to get used to but is a lot of fun!
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