Light Up


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Light Up (Akari) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. Light Up is played on a rectangular grid. The grid has both black cells and white cells in it. The objective is to place light bulbs on the grid so that every white square is lit. A cell is illuminated by a light bulb if they're in the same row or column, and if there are no black cells between them. Also, no light bulb may illuminate another light bulb.
Some of the black cells have numbers in them. A number in a black cell indicates how many light bulbs share an edge with that cell.
Left click a square to place a light bulb. Right click to mark with X.

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Light Up


7x7 Light Up Easy | 7x7 Light Up Normal | 7x7 Light Up Hard | 10x10 Light Up Easy | 10x10 Light Up Normal | 10x10 Light Up Hard | 14x14 Light Up Easy | 14x14 Light Up Normal | 14x14 Light Up Hard | 25x25 Light Up Easy | 25x25 Light Up Normal | 25x25 Light Up Hard

This Month
1.mtanzer
94
00:05.61
2.Nimrod00:06.11
3.sfumato
97
00:08.37
4.stoopid00:10.84
5.tufelix36700:13.50
6.TomGuo
52
00:14.92
7.batiko00:17.68
8.Pomphuus00:21.40
9.monono
21
00:21.91
10.Bhaygin00:23.39
11.Lukiii
65
00:25.22
12.print00:25.30
13.themh00:26.49
14.qobi
91
00:27.69
15.Jack63kids
40
00:33.58
16.JamesG00:33.82
17.mfd3100:35.05
18.perrie6700:40.02
19.Aureli
39
00:41.17
20.windex4200:56.83
This Week
1.sfumato
97
00:08.37
2.tufelix36700:13.87
3.TomGuo
52
00:16.06
4.batiko00:20.65
5.Pomphuus00:24.57
6.Lukiii
65
00:25.22
7.print00:25.30
8.themh00:26.49
9.perrie6700:40.02
10.qobi
91
00:54.60
11.Guitou
6
01:35.45
12.Koakuma
8
02:53.70
13.HBar
17
07:57.86
14.--- empty -----:--
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Today
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4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
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19.--- empty -----:--
20.--- empty -----:--
MO3
1.mtanzer
94
00:10.10
2.sfumato
97
00:11.90
3.million
47
00:12.35
4.Fastfaxer
80
00:15.94
5.HotSloppyFish
44
00:17.32
6.Ramasp
103
00:17.41
7.Oryn
41
00:20.54
8.TomGuo
52
00:22.43
9.kimbo1971
52
00:24.88
10.tlstyer
1314
00:25.28
AO5
1.mtanzer
94
00:11.48
2.million
47
00:14.24
3.sfumato
97
00:15.32
4.HotSloppyFish
44
00:18.94
5.Ramasp
103
00:19.27
6.Fastfaxer
80
00:19.73
7.Oryn
41
00:20.96
8.TomGuo
52
00:27.16
9.ethan781
39
00:29.98
10.tlstyer
1314
00:31.01
AO12
1.mtanzer
94
00:16.14
2.Ramasp
103
00:21.47
3.Fastfaxer
80
00:22.80
4.million
47
00:24.02
5.AnthonyL
39
00:36.39
6.jeffafa
79
00:37.93
7.kimbo1971
52
00:44.93
8.anonymous
80
00:49.27
9.Bobfather
29
01:02.98
10.tlstyer
1314
01:03.36
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.--- empty -----:--
3.--- empty -----:--

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2021-10-19 08:56:35

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