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. beznickowy 00:02.87
2. sauceguardian
70
00:03.04
3. Uonia
70
00:03.08
4. mmyama
47
00:03.11
4. hkjsf
92
00:03.11
6. Klunk X
5
00:03.20
7. Daphnuk 00:03.31
8. keehaag
127
00:03.38
9. Pamma 00:03.40
10. turciaaIt
15
00:03.43
11. ianmcb01
22
00:03.44
12. crascodyllea
91
00:03.50
13. wowo0518 00:03.68
14. Tiago Gamito
35
00:03.73
14. ddcsj
5
00:03.73
16. ScorpionMax 00:03.90
17. 风间呓语
59
00:03.92
18. 71448Eva
7
00:03.94
19. Piroska9
47
00:03.96
20. ChrisYue
7
00:04.00
This Week
1. Uonia
70
00:03.08
2. mmyama
47
00:03.11
3. keehaag
127
00:03.38
3. beznickowy 00:03.38
5. ianmcb01
22
00:03.44
6. Tiago Gamito
35
00:03.73
6. ddcsj
5
00:03.73
8. Piroska9
47
00:03.96
9. ChrisYue
7
00:04.00
10. nacho
45
00:04.11
11. tufelix367 00:04.16
12. MisterBarbarian 00:04.18
13. TimidMaus 00:04.21
14. qobi
184
00:04.50
15. Lord Frog The Toast
4
00:04.63
16. apeed 00:04.72
16. Mauser 00:04.72
18. Jack63kids
95
00:04.84
19. wowo0518 00:04.98
20. Kimseunghyeon 00:05.17
Today
1. keehaag
127
00:03.38
2. beznickowy 00:03.89
3. tufelix367 00:04.79
4. jonaa
10
00:05.32
5. noliai
147
00:08.27
6. Flo.123
7
00:11.26
7. ketchumg
9
00:12.43
8. Rovilon
3
00:12.50
9. chrispy
50
00:12.62
10. Samuel12345 00:20.94
11. FlashGenius
16
00:31.90
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. Arok
98
00:02.20
2. vowels
202
00:02.24
3. numbrr
220
00:02.26
4. sfumato
164
00:02.50
4. mtanzer
140
00:02.50
6. jaybrainer
176
00:02.51
7. BingBongBob
107
00:02.53
8. qqwref
259
00:02.55
9. SkyBean1201
42
00:02.59
10. Douglas Shamlin Jr.
545
00:02.62
AO5
1. Arok
98
00:02.36
2. vowels
202
00:02.37
3. numbrr
220
00:02.45
4. Douglas Shamlin Jr.
545
00:02.58
5. SkyBean1201
42
00:02.61
6. mtanzer
140
00:02.63
7. sauceguardian
70
00:02.67
8. boru
93
00:02.68
9. sfumato
164
00:02.73
9. BingBongBob
107
00:02.73
AO12
1. vowels
202
00:02.67
2. numbrr
220
00:02.83
3. Arok
98
00:02.90
4. Douglas Shamlin Jr.
545
00:03.00
5. mtanzer
140
00:03.09
6. sfumato
164
00:03.16
7. sauceguardian
70
00:03.18
8. jaybrainer
176
00:03.23
9. TashiroMiraki
188
00:03.27
10. qqwref
259
00:03.28
Robots / programmatic solversinfo  
1.tlstyer
1328
00:00.009
2.penguain
56
00:00.676
3.rfsjnhdbh04:01.657

* 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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2024-02-26 01:08:58

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