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Light Up Puzzle

The "Light Up" puzzle (also known as "Akari", "LightUP" and "lanterns") is a rectangular box in which some cells are white, and some are black. The black cells can contain numbers from 0 to 4. The goal of the puzzle is to place light bulbs in empty cells so that all white cells are illuminated.

The light from the bulb is distributed in a straight line horizontally and vertically until you hit a black cell or the border of the field. Bulbs should not face each other. If there is a number in a black cell, then it must be adjacent (on the left, top, right or bottom) to a specified number of bulbs, no more and no less.

Suitable for smartphones
LightUp №259497

LightUp №259497

  • Size: 12x12
  • Rating: 4.68
  • Difficulty: 2 43%
  • 2021-04-12 17:37
  • Times solved: 15
  • x1
  • Speed: 01:10
LightUp №265792

LightUp №265792

  • Size: 11x11
  • Rating: 4.6
  • Difficulty: 1 0%
  • 2021-04-13 22:37
  • Times solved: 8
  • x1
  • Speed: 00:19
LightUp №249238

LightUp №249238

  • Size: 11x11
  • Rating: 4.56
  • Difficulty: 2 39%
  • 2021-04-13 11:07
  • Times solved: 12
  • x1
  • Speed: 01:12
LightUp №256516

LightUp №256516

  • Size: 11x11
  • Rating: 4.5
  • Difficulty: 1 0%
  • 2021-04-14 04:07
  • Times solved: 2
  • x1
  • Speed: 01:18
LightUp №257138

LightUp №257138

  • Size: 11x11
  • Rating: 4.46
  • Difficulty: 1 23%
  • 2021-04-01 04:07
  • Times solved: 19
  • x1
  • Speed: 00:30
LightUp №260352

LightUp №260352

  • Size: 10x10
  • Rating: 4.43
  • Difficulty: 1 10%
  • 2021-04-04 12:07
  • Times solved: 25
  • x1
  • Speed: 00:33
LightUp №178527

LightUp №178527

  • Size: 11x11
  • Rating: 4.43
  • Difficulty: 3 74%
  • 2020-06-23 22:45
  • Times solved: 24
  • x1+ Ore 10%
  • Speed: 07:21
LightUp №249077

LightUp №249077

  • Size: 11x11
  • Rating: 4.43
  • Difficulty: 1 23%
  • 2021-04-13 08:07
  • Times solved: 13
  • x1
  • Speed: 00:27
LightUp №154003

LightUp №154003

  • Size: 25x25
  • Rating: 4.42
  • Difficulty: 2 55%
  • 2020-03-06 14:07
  • Times solved: 90
  • x1+ Crystal 10%
  • Speed: 08:17
LightUp №205506

LightUp №205506

  • Size: 11x11
  • Rating: 4.42
  • Difficulty: 2 49%
  • 2020-10-08 22:07
  • Times solved: 28
  • x1
  • Speed: 02:31
LightUp №244999

LightUp №244999

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 1 23%
  • 2021-03-15 05:07
  • Times solved: 16
  • x1
  • Speed: 01:37
LightUp №227877

LightUp №227877

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 2 33%
  • 2021-01-06 22:07
  • Times solved: 23
  • x1
  • Speed: 01:56
LightUp №218416

LightUp №218416

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 2 39%
  • 2021-01-20 15:00
  • Times solved: 23
  • x1
  • Speed: 01:02
LightUp №227203

LightUp №227203

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 1 31%
  • 2021-01-01 17:07
  • Times solved: 23
  • x1
  • Speed: 00:39
LightUp №230810

LightUp №230810

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 2 34%
  • 2021-01-21 11:07
  • Times solved: 18
  • x1
  • Speed: 01:30
LightUp №253358

LightUp №253358

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 1 23%
  • 2021-04-03 01:07
  • Times solved: 17
  • x1
  • Speed: 00:31
LightUp №245962

LightUp №245962

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 1 20%
  • 2021-04-08 17:37
  • Times solved: 24
  • x1
  • Speed: 00:53
LightUp №166880

LightUp №166880

  • Size: 11x11
  • Rating: 4.41
  • Difficulty: 1 28%
  • 2020-05-25 20:07
  • Times solved: 54
  • x1+ Water 10%
  • Speed: 01:08
LightUp №210705

LightUp №210705

  • Size: 11x11
  • Rating: 4.4
  • Difficulty: 1 16%
  • 2020-12-16 06:07
  • Times solved: 45
  • x1
  • Speed: 00:39
LightUp №215702

LightUp №215702

  • Size: 11x11
  • Rating: 4.4
  • Difficulty: 2 41%
  • 2020-11-06 14:07
  • Times solved: 42
  • x1
  • Speed: 01:42
LightUp №183730

LightUp №183730

  • Size: 11x11
  • Rating: 4.4
  • Difficulty: 2 34%
  • 2020-06-12 12:07
  • Times solved: 44
  • x1+ Water 10%
  • Speed: 01:03
LightUp №200671

LightUp №200671

  • Size: 11x11
  • Rating: 4.4
  • Difficulty: 2 43%
  • 2020-10-19 00:07
  • Times solved: 28
  • x1+ Ore 10%
  • Speed: 01:39
LightUp №257916

LightUp №257916

  • Size: 11x11
  • Rating: 4.39
  • Difficulty: 1 14%
  • 2021-03-29 09:07
  • Times solved: 17
  • x1
  • Speed: 00:39
LightUp №178559

LightUp №178559

  • Size: 11x11
  • Rating: 4.39
  • Difficulty: 2 47%
  • 2020-06-10 15:23
  • Times solved: 28
  • x1+ Crystal 10%
  • Speed: 01:41
LightUp №124551

LightUp №124551

  • Size: 17x17
  • Rating: 4.39
  • Difficulty: 2 51%
  • 2020-02-26 17:05
  • Times solved: 85
  • x1+ Ore 10%
  • Speed: 05:22
LightUp №118415

LightUp №118415

  • Size: 23x23
  • Rating: 4.39
  • Difficulty: 4 88%
  • 2020-01-30 01:05
  • Times solved: 86
  • x1+ Coal 10%
  • Speed: 22:36
LightUp №122569

LightUp №122569

  • Size: 12x12
  • Rating: 4.39
  • Difficulty: 2 54%
  • 2020-02-12 15:13
  • Times solved: 44
  • x1+ Stone 10%
  • Speed: 02:40
LightUp №248283

LightUp №248283

  • Size: 10x10
  • Rating: 4.39
  • Difficulty: 1 33%
  • 2021-03-31 15:08
  • Times solved: 37
  • x1
  • Speed: 00:44
LightUp №257764

LightUp №257764

  • Size: 12x12
  • Rating: 4.39
  • Difficulty: 2 44%
  • 2021-03-20 03:35
  • Times solved: 16
  • x1
  • Speed: 01:05
LightUp №259312

LightUp №259312

  • Size: 11x11
  • Rating: 4.39
  • Difficulty: 1 23%
  • 2021-04-01 05:07
  • Times solved: 12
  • x1
  • Speed: 00:41

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