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Dens · Devilish

Dens Devilish Level 129

Exactly the board of Devilish level 129 in the app: 10×10 cells, 10 dens, 10 monsters to place. Step through the solution one monster at a time, each with the reason why, or open the full solution.

Pro levelDevilish comes with Beasties Pro in the app, a one-time purchase with no subscription. The solution here is free. How Free and Pro work

Step by stepWith the reason why

0 / 10Empty board

Rows count from the top, columns from the left. Tap Next monster to see where the first one goes, and why.

SolutionSpoiler

All 10 monsters as a list

Rows count from the top, columns from the left. Each line says where the next monster goes and why.

  1. row 7, column 2. The green den has only one free spot left. Its monster moves in there.
  2. row 6, column 10. The blue den fits only into column 9. Whichever spot its monster takes, that line is used: cross out the rest of it. The turquoise den fits only into row 10. Whichever spot its monster takes, that line is used: cross out the rest of it. Row 10: a monster on a marked spot would see or touch all of its free spots. Nothing would be left there, so cross the marked spots out. Column 9: a monster on a marked spot would see or touch all of its free spots. Nothing would be left there, so cross the marked spots out. The red den: a monster on a marked spot would see or touch all of its free spots. Nothing would be left there, so cross the marked spots out. The red den and the lilac den fit only into rows 8 and 9. Together they fill these lines, so every other spot there is out. The orange den has only one free spot left. Its monster moves in there.
  3. row 10, column 3. Column 8 has free spots in one den only: the mint den. Its monster must go into this line, so the rest of the den is out. Column 8: a monster on a marked spot would see or touch all of its free spots. Nothing would be left there, so cross the marked spots out. Rows 1 and 2 only have spots in the pink den and the blue den. Their monsters take all of them, so the other spots there are out. Try a monster on the marked spot and follow it through: row 3 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: the lilac den ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: row 10 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: the lilac den ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: the lilac den ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: column 7 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: column 7 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: column 6 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: row 9 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: the yellow den ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: the lilac den ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: row 8 ends up without a spot. So no monster goes there. The turquoise den has only one free spot left. Its monster moves in there.
  4. row 5, column 5. Rows 1, 2 and 9 only have spots in columns 1, 7 and 9. Their monsters take all of them, so the other spots there are out. The purple den fits only into row 5. Whichever spot its monster takes, that line is used: cross out the rest of it. Try a monster on the marked spot and follow it through: the lilac den ends up without a spot. So no monster goes there. The purple den has only one free spot left. Its monster moves in there.
  5. row 3, column 4. The yellow den has only one free spot left. Its monster moves in there.
  6. row 4, column 8. The mint den has only one free spot left. Its monster moves in there.
  7. row 9, column 1. The lilac den has only one free spot left. Its monster moves in there.
  8. row 1, column 7. The pink den has only one free spot left. Its monster moves in there.
  9. row 2, column 9. The blue den has only one free spot left. Its monster moves in there.
  10. row 8, column 6. The red den has only one free spot left. Its monster moves in there.

Every player gets the same levels in the same order, so this board matches your app. Every Dens level has exactly one solution, and you can always reach it by logic. How to play Dens