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Nightwatch hints for October 4, 2026

Nightwatch is a free Light Up (Akari) logic puzzle for Android by Brightloop Studios.

Night 34: a 9×9 board with 10 courtyards. Play it here. If you get stuck, open one hint at a time.

Sunday, October 4

71 dark0:00

9×9 Night 34

Rules

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Hint 1: where to look

One square in this courtyard would leave another square with nothing at all able to light it, so the lantern cannot go there.

Look at the sky courtyard that includes the square at row 1, column 1.

Hint 2: the first forced move

A lantern at row 1, column 1 would leave row 3, column 2 with nothing able to light it.

The board with those squares crossed out
Show answer
The solved board for October 4, 2026

10 lanterns, one in each courtyard:

  1. row 1, column 4
  2. row 2, column 6
  3. row 3, column 2
  4. row 3, column 7
  5. row 4, column 8
  6. row 5, column 1
  7. row 7, column 3
  8. row 7, column 8
  9. row 8, column 9
  10. row 9, column 2
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Tonight is lit.

0:00

Keep playing: 70 rounds, hints that teach, offline

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Archive

The third hint

The third hint can point to one square and prove it. It lives in the app.

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Clear the board?

Every lantern and pencil mark comes off and the clock goes back to zero.

The four rules

  1. Every courtyard gets exactly one lantern.
  2. A lantern lights its own square and shines along its row and column until a wall stops it. A courtyard edge does not stop light, and a lantern set on a lit square is dazzled, which is never allowed.
  3. No lantern may shine on another lantern.
  4. Every open square must end up lit.

How to play