Logic Masters Deutschland e.V.

Fortress Fillomino - Friday 13th (9x9?)

(Published on 13. February 2026, 16:45 by ThePedallingPianist)




click image to play this week's Fortress Fillomino

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 strictly larger than all of its orthogonal neighbours or strictly smaller than all of its orthogonal neighbours;
• A thick black line between two cells indicates a border between neighbouring regions;
• In this puzzle, cells outside the large "13" shape are to be left empty.

LITTLE KILLERS:
• Values along an indicated diagonal sum to the given total.

Solution code: Top row (6 values), left to right

Last changed on -

Solved by bilms, JustinTucker, aqjhs, ChinStrap, gdc, karlmortenlunna, palpot, SKORP17, LenD, ralphwaldo1, widjo, lmdemasi, Calvinball, misko, DragonEgg, MagnusJosefsson, yttrio
Full list

Difficulty:3
Rating:91 %
Solved:17 times
Observed:0 times
ID:000RF7

Enter solution

Solution code:

Login