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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
Likes 22
Times solved 29
LightUp №318856
x2
2022-01-26 23:31
01:29
2 38%
12x19
Likes 11
Times solved 14
LightUp №292078
x1
2022-01-24 12:00
00:38
1 0%
11x11
Likes 31 Dislikes 3
Times solved 45
LightUp №284675
x1
2022-01-16 21:40
00:22
1 12%
10x10
Likes 15 Dislikes 1
Times solved 18
LightUp №310427
x3
2022-01-22 21:01
05:25
2 55%
13x20
Likes 23 Dislikes 2
Times solved 33
LightUp №315185
x2
2022-01-20 22:21
01:24
2 39%
12x19
Likes 7
Times solved 11
LightUp №297595
x1
2022-01-24 12:00
02:13
1 17%
11x11
Likes 13 Dislikes 1
Times solved 25
LightUp №278397
x1
2022-01-17 12:00
00:33
1 13%
11x11
Likes 22 Dislikes 3
Times solved 31
LightUp №306348
x2
2022-01-19 09:28
02:40
2 47%
12x19
Likes 19 Dislikes 2
Times solved 23
LightUp №313855
x2
2022-01-18 07:01
05:06
3 72%
12x19
Likes 10 Dislikes 2
Times solved 14
LightUp №323489
x2
2022-01-22 18:21
04:18
2 48%
12x19
Likes 14 Dislikes 3
Times solved 24
LightUp №316457
x2
2022-01-14 22:44
02:59
3 61%
12x19
Likes 12 Dislikes 3
Times solved 21
LightUp №319886
x2
2022-01-10 12:00
01:30
2 42%
12x19
Likes 27 Dislikes 1
Times solved 40
LightUp №280245
x1
2021-12-18 18:00
00:25
1 18%
11x11
Likes 18
Times solved 23
LightUp №316454
x3
2021-12-23 19:01
06:49
3 67%
13x20
Likes 11 Dislikes 1
Times solved 21
LightUp №322112
x2
2021-12-14 12:00
02:58
2 47%
12x19
Likes 34 Dislikes 2
Times solved 55
LightUp №292197
x1
2021-07-11 22:07
00:20
1 18%
11x11
Likes 30 Dislikes 3
Times solved 43
LightUp №286208
x1
2022-01-09 08:40
00:43
1 25%
11x11
Likes 18 Dislikes 2
Times solved 26
LightUp №316139
x2
2022-01-15 18:33
01:53
2 45%
12x19
Likes 9
Times solved 13
LightUp №316452
x2
2022-01-18 18:00
04:35
2 38%
12x19
Likes 14 Dislikes 1
Times solved 19
LightUp №311642
x2
2022-01-20 18:18
01:21
2 35%
12x19
Likes 19 Dislikes 3
Times solved 29
LightUp №287766
x1
2022-01-15 22:44
01:04
2 35%
11x11
Likes 19 Dislikes 3
Times solved 26
LightUp №297631
x1
2022-01-16 21:32
01:08
1 21%
11x11
Likes 18 Dislikes 3
Times solved 26
LightUp №289195
x1
2022-01-16 21:07
00:50
1 20%
11x11
Likes 15 Dislikes 2
Times solved 21
LightUp №296301
x1
2022-01-14 18:56
01:04
1 28%
11x11
Likes 27 Dislikes 2
Times solved 38
LightUp №293248
x1
2022-01-01 22:14
00:40
1 20%
11x11
Likes 23
Times solved 43
LightUp №287135
x1
2021-07-01 08:07
00:42
1 16%
11x11
Likes 21 Dislikes 2
Times solved 31
LightUp №295960
x1
2021-12-31 12:00
00:27
1 23%
11x11
Likes 16 Dislikes 2
Times solved 24
LightUp №306424
x2
2022-01-12 22:59
01:40
2 43%
12x19
Likes 17 Dislikes 4
Times solved 24
LightUp №297639
x1
2022-01-16 21:13
01:00
1 25%
11x11
Likes 30
Times solved 51
LightUp №285551
x1
2021-06-13 09:07
00:55
1 20%
10x10
Likes 16 Dislikes 4
Times solved 23
LightUp №292372
x1
2022-01-16 21:20
01:10
2 41%
11x11
Likes 13 Dislikes 3
Times solved 21
LightUp №290076
x1
2022-01-16 10:21
03:58
3 58%
11x11
Likes 20 Dislikes 4
Times solved 29
LightUp №310460
x2
2022-01-08 18:33
01:24
2 50%
12x19
Likes 14 Dislikes 2
Times solved 20
LightUp №318297
x2
2022-01-13 18:56
01:54
2 49%
12x19
Likes 38 Dislikes 2
Times solved 56
LightUp №284552
x1
2021-06-24 17:07
00:25
1 15%
10x10
Likes 26 Dislikes 3
Times solved 37
LightUp №283858
x1
2021-12-28 22:14
01:36
2 38%
11x11

Missions

Mission "Light easy"

2019-03-23   nettaly   Stages6
T22 B0 S0 G78

Mission "Super Fun Light Up Mission"

2019-04-11   MusicShockMan   Stages10
T43 B9 S0 G25

Mission "Lord of light"

2018-12-19   Memo   Stages30
T64 B1 S8 G20
:)
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