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. Geras
70
00:02.67
2. jaybrainer
88
00:02.76
3. sauceguardian
48
00:02.87
4. DrVince
48
00:02.88
5. arkode
14
00:02.93
6. Icay
95
00:03.05
7. loki515
24
00:03.06
8. Arjun25
19
00:03.11
9. LukasMo
62
00:03.34
10. kyrawr8383
65
00:03.53
11. bjbjb 00:03.67
12. xXEZXx 00:03.83
13. CipherStar
16
00:03.84
14. TimidMaus 00:03.85
14. KoenDe3e 00:03.85
16. Uonia
52
00:03.86
17. Consonants
38
00:03.88
18. JaivenEli10
5
00:03.89
18. PythonPlayer 00:03.89
20. kushisthebush
3
00:03.91
This Week
1. Geras
70
00:02.87
2. DrVince
48
00:02.88
3. sauceguardian
48
00:03.01
4. Icay
95
00:03.05
5. bjbjb 00:03.67
6. Arjun25
19
00:03.75
7. CipherStar
16
00:03.84
8. Uonia
52
00:03.86
9. Consonants
38
00:03.88
10. JaivenEli10
5
00:03.89
11. TomGuo
103
00:04.05
12. justsoso987
56
00:04.14
13. TimidMaus 00:04.24
14. Piroska9
42
00:04.62
15. tufelix367 00:04.82
16. ProGamAR5 00:04.89
17. niqnna
18
00:04.94
18. da32s1da
9
00:05.05
19. Joris3Pinter 00:05.26
20. Jens
23
00:05.39
Today
1. Arjun25
19
00:03.75
2. CipherStar
16
00:03.84
3. JaivenEli10
5
00:03.89
4. TomGuo
103
00:04.05
5. justsoso987
56
00:04.14
6. TimidMaus 00:04.24
7. niqnna
18
00:04.94
8. bjbjb 00:05.07
9. VermouthLeft
7
00:08.86
10. qwertyuiop[]\asdfghj...
4
00:09.02
11. alexPlux
70
00:10.29
12. Dorice
149
00:12.99
13. AlexanderIII 00:14.43
14. Opposum 00:15.34
15. liuxiao 00:16.63
16. RosemaryW 00:27.61
17. James O'Connor
2
00:48.66
18. Europium
15
24d 20:31:23.64
19.--- empty -----:--
20.--- empty -----:--
MO3
1. Arok
73
00:02.20
2. vowels
172
00:02.32
3. sfumato
160
00:02.50
3. mtanzer
140
00:02.50
5. qqwref
204
00:02.55
6. Douglas Shamlin Jr.
432
00:02.68
7. numbrr
134
00:02.81
8. boru
64
00:02.85
9. TashiroMiraki
140
00:02.86
10. Sonar
75
00:02.95
AO5
1. Arok
73
00:02.36
2. vowels
172
00:02.55
3. Douglas Shamlin Jr.
432
00:02.58
4. mtanzer
140
00:02.63
5. sfumato
160
00:02.73
6. numbrr
134
00:02.81
7. qqwref
204
00:02.86
8. jai22933
17
00:03.04
9. boru
64
00:03.12
10. TashiroMiraki
140
00:03.15
AO12
1. vowels
172
00:02.81
2. Arok
73
00:03.01
3. mtanzer
140
00:03.09
4. sfumato
160
00:03.16
5. Douglas Shamlin Jr.
432
00:03.23
6. qqwref
204
00:03.41
7. numbrr
134
00:03.42
8. boru
64
00:03.45
9. jai22933
17
00:03.72
10. Sonar
75
00:03.74
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.penguain
51
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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2022-12-07 23:28:25

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