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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 173
Times solved 363
x1
2018-12-19 12:59
00:09
1 17%
5x5
Likes 154
Times solved 320
x1
2018-12-17 18:59
00:07
1 16%
6x5
Likes 146
Times solved 295
x1
2018-12-29 03:59
00:06
1 13%
5x5
Likes 140
Times solved 304
x1
2018-12-13 10:48
00:06
1 25%
5x5
Likes 140
Times solved 283
x1
2019-01-26 18:59
00:14
1 18%
6x6
Likes 134
Times solved 264
x2
2019-01-09 15:01
00:50
1 19%
10x10
Likes 133
Times solved 260
x1
2019-01-21 18:59
00:08
1 14%
5x5
Likes 133
Times solved 270
x1
2018-12-12 21:09
00:06
1 15%
5x5
Likes 130
Times solved 271
x1
2018-12-14 01:00
00:14
1 26%
5x5
Likes 124
Times solved 243
x1
2018-12-22 14:59
00:09
1 16%
6x5
Likes 124
Times solved 254
x1
2018-12-22 16:59
00:13
1 19%
6x6
Likes 124
Times solved 225
x1
2019-02-10 03:59
00:09
1 15%
5x5
Likes 124
Times solved 246
x1
2018-12-14 06:00
00:14
1 19%
7x6
Likes 123
Times solved 219
x1
2018-12-12 21:28
00:07
1 22%
5x5
Likes 121
Times solved 226
x1
2019-01-25 06:59
00:11
1 17%
5x5
Likes 119
Times solved 212
x1
2019-03-30 15:51
00:08
1 14%
6x5
Likes 118
Times solved 210
x1
2019-02-12 06:59
00:12
1 16%
6x6
Likes 118
Times solved 219
x4
2019-03-30 17:05
03:51
2 38%
21x17
Likes 117
Times solved 224
x1
2019-01-23 06:59
00:08
1 16%
5x5
Likes 115
Times solved 207
x1
2018-12-13 20:00
00:07
1 21%
6x5
Likes 113
Times solved 196
x1
2019-02-16 15:43
00:09
1 14%
6x6
Likes 112
Times solved 241
x1
2018-12-12 21:28
00:11
1 17%
6x6
Likes 111
Times solved 187
x1
2019-03-23 15:37
00:08
1 17%
6x5
Likes 110
Times solved 212
x1
2018-12-28 20:59
00:13
1 15%
5x5
Likes 110
Times solved 186
x3
2019-03-30 01:05
01:56
1 25%
15x17
Likes 109
Times solved 209
x1
2019-02-23 16:16
00:15
1 17%
5x5
Likes 109
Times solved 175
x1
2019-03-09 16:17
00:09
1 23%
5x5
Likes 109
Times solved 184
x1
2019-01-27 10:59
00:07
1 23%
5x5
Likes 106
Times solved 182
x1
2019-01-29 10:59
00:08
1 24%
5x5
Likes 106
Times solved 201
x1
2019-01-29 21:59
00:12
1 17%
5x5
Likes 105
Times solved 201
x1
2018-12-12 21:28
00:07
1 22%
6x5
Likes 104
Times solved 213
x1
2019-03-30 15:49
00:46
1 19%
8x10
Likes 103
Times solved 179
x1
2019-03-05 03:59
00:09
1 14%
6x5
Likes 102
Times solved 177
x1
2019-03-09 15:38
00:45
1 18%
9x10
Likes 101
Times solved 183
x1
2019-03-30 16:14
00:14
1 16%
8x6
Likes 101
Times solved 162
x1
2019-04-10 20:59
00:08
1 24%
6x5

Missions

Mission ""

2021-04-19   anikina   Stages6
T55 B3 S1 G4

Mission "Easy Profit LightUp"

2019-04-11   Arny010   Stages9
T24 B5 S6 G43

Mission "Light does not happen much"

2020-06-24   Mega-pazl   Stages13
T38 B3 S2 G5
:)
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