Dens · Devilish
Dens Devilish Level 307
Exactly the board of Devilish level 307 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
Rows count from the top, columns from the left. Tap Next monster to see where the first one goes, and why.










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.
- row 5, column 10. The pink den fits only into column 9. Whichever spot its monster takes, that line is used: cross out the rest of it. The purple den has only one free spot left. Its monster moves in there.
- row 3, column 8. The yellow den has only one free spot left. Its monster moves in there.
- row 1, column 9. The pink den has only one free spot left. Its monster moves in there.
- row 6, column 6. The blue den fits only into row 2. Whichever spot its monster takes, that line is used: cross out the rest of it. The orange den fits only into row 6. Whichever spot its monster takes, that line is used: cross out the rest of it. Row 6: 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 7: 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 turquoise 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. Try a monster on the marked spot and follow it through: column 7 ends up without a spot. So no monster goes there. The mint den fits only into row 4. 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 red den 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: column 7 ends up without a spot. So no monster goes there. Try a monster on the marked spot and follow it through: the red den ends up without a spot. So no monster goes there. The turquoise 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. Try a monster on the marked spot and follow it through: column 4 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. The lilac den and the turquoise den fit only into rows 9 and 10. Together they fill these lines, so every other spot there is out. 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 turquoise 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. Row 9 has free spots in one den only: the lilac den. Its monster must go into this line, so the rest of the den is out. Row 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. Rows 2, 7 and 10 only have spots in columns 1, 3 and 4. Their monsters take all of them, so the other spots there are out. Try a monster on the marked spot and follow it through: column 2 ends up without a spot. So no monster goes there. Column 6 has only one free spot left, so a monster goes there.
- row 9, column 7. Try a monster on the marked spot and follow it through: column 4 ends up without a spot. So no monster goes there. The lilac den has only one free spot left. Its monster moves in there.
- row 7, column 4. The green den has only one free spot left. Its monster moves in there.
- row 8, column 2. The red den has only one free spot left. Its monster moves in there.
- row 4, column 5. The mint den has only one free spot left. Its monster moves in there.
- row 10, column 3. The turquoise den has only one free spot left. Its monster moves in there.
- row 2, column 1. The blue 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