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

This Month
1. mmyama
46
00:53.72
2. tufelix367 01:08.66
3. woshixiaoO 01:09.20
4. SPTAU
30
01:11.89
5. eatbing 01:12.93
6. h00dedclaw 01:14.87
7. Migsy 01:16.02
8. IdentityV 01:16.23
9. Craxin 01:17.17
10. wowo0518 01:19.39
11. MajorPum
64
01:19.48
12. mdeniz 01:31.83
13. xxbh02jf 01:32.15
14. Rompi2 01:33.42
15. AgnieszkaNesa
28
01:37.50
16. Harry_Canyon
78
01:46.58
17. Twipsii 01:48.44
18. noliai
140
01:50.03
19. qobi
176
01:50.68
20. yxshen0715 01:56.02
This Week
1. mmyama
46
01:06.79
2. tufelix367 01:14.09
3. woshixiaoO 01:16.45
4. Craxin 01:17.17
5. h00dedclaw 01:19.30
6. wowo0518 01:28.25
7. mdeniz 01:31.83
8. Rompi2 01:40.43
9. Harry_Canyon
78
01:46.58
10. AgnieszkaNesa
28
01:54.88
11. angelrose971
63
02:04.66
12. Leo19 02:07.50
13. niqnna
18
02:08.07
14. noliai
140
02:10.28
15. cAutioned_
44
02:27.16
16. danpuzzler 02:41.84
17. LeiaKasta
20
02:59.11
18. qobi
176
02:59.13
19. ambiorix 03:13.12
20. Marialiss 04:08.70
Today
1. h00dedclaw 01:19.30
2. Rompi2 01:48.74
3. AgnieszkaNesa
28
02:20.57
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. numbrr
201
00:42.33
2. Sonar
76
00:45.80
3. TashiroMiraki
174
00:46.04
4. sfumato
164
00:48.33
5. qqwref
258
00:49.53
6. mtanzer
140
00:53.20
7. Nick
217
00:56.70
8. sauceguardian
65
00:56.95
9. vowels
201
00:57.32
10. TomGuo
131
01:00.49
AO5
1. numbrr
201
00:45.98
2. TashiroMiraki
174
00:47.44
3. Sonar
76
00:47.77
4. sfumato
164
00:49.21
5. qqwref
258
00:53.33
6. mtanzer
140
00:54.43
7. sauceguardian
65
01:00.51
8. vowels
201
01:00.99
9. rozer
175
01:01.49
10. Nick
217
01:01.76
AO12
1. numbrr
201
00:49.97
2. TashiroMiraki
174
00:51.21
3. Sonar
76
00:53.12
4. sfumato
164
00:54.44
5. qqwref
258
00:57.59
6. mtanzer
140
00:58.75
7. sauceguardian
65
01:05.48
8. vowels
201
01:06.31
9. Oryn
122
01:07.12
10. Nick
217
01:07.45
Robots / programmatic solversinfo  
1.tlstyer
1325
00:00.011
2.penguain
56
00:07.066
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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2023-12-10 10:47:10

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