Light Up


Translate this site.

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.

Video Tutorial
Hide the rules

Share

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. sfumato
163
00:11.59
2. sauceguardian
64
00:12.51
3. TomGuo
122
00:15.00
4. kennethaw88
101
00:15.10
5. mmyama 00:15.88
6. tufelix367 00:18.99
7. Moooon
68
00:19.59
8. DrVince
56
00:20.53
9. Dorice
176
00:22.78
10. niqnna
18
00:25.81
11. 淳粹淳迷
1
00:25.88
12. EC31
20
00:26.20
13. bjbjb 00:26.74
14. yxshen0715 00:28.45
15. Noooo-dle
42
00:29.55
16. keehaag
100
00:30.18
17. ambiorix 00:30.40
18. wxh_Smile
22
00:32.29
19. Michelins
30
00:34.23
20. xilli 00:35.40
This Week
1. sauceguardian
64
00:13.06
2. TomGuo
122
00:15.52
3. mmyama 00:15.88
4. tufelix367 00:19.96
5. DrVince
56
00:20.53
6. Noooo-dle
42
00:29.55
7. keehaag
100
00:30.18
8. niqnna
18
00:32.85
9. Michelins
30
00:34.23
10. James Zhang
12
00:39.37
11. xxbh02jf 00:50.76
12. waggonra 00:52.85
13. noliai
115
00:58.48
14. Gosselyn777 01:13.00
15. windex42
21
01:17.05
16. pokosuk 02:33.74
17. chrispy
20
03:15.55
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. TomGuo
122
00:15.52
2. sauceguardian
64
00:18.01
3.--- empty -----:--
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. mtanzer
140
00:12.14
2. sfumato
163
00:12.30
3. TashiroMiraki
159
00:13.97
4. sauceguardian
64
00:14.22
5. Arok
87
00:14.35
6. Nick
196
00:14.52
7. million
48
00:15.35
8. numbrr
162
00:15.41
9. qqwref
247
00:15.68
10. Sonar
76
00:15.95
AO5
1. sfumato
163
00:12.81
2. mtanzer
140
00:14.07
3. sauceguardian
64
00:14.79
4. Nick
196
00:15.32
5. TashiroMiraki
159
00:15.74
6. Sonar
76
00:15.76
7. qqwref
247
00:16.37
8. numbrr
162
00:16.48
9. Arok
87
00:16.56
10. Douglas Shamlin Jr.
470
00:16.82
AO12
1. sfumato
163
00:14.87
2. mtanzer
140
00:16.17
3. TashiroMiraki
159
00:16.26
4. sauceguardian
64
00:16.77
5. numbrr
162
00:17.20
6. Douglas Shamlin Jr.
470
00:17.76
7. Sonar
76
00:18.03
8. qqwref
247
00:18.31
9. Nick
196
00:18.44
10. Arok
87
00:18.97
Robots / programmatic solversinfo  
1.tlstyer
1318
00:00.009
2.penguain
53
00:02.298
3.Mizuna Torineko
13
00:56.283

* 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.
You need to be logged in to track your averages


Find your position in

Enter screen name:


More Logic Puzzles:  hideshow

2023-05-31 10:51:22

www.puzzle-light-up.com
Remove Ads