Slitherlink


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Slitherlink (also known as Fences and Loop the Loop) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to draw lines between the dots to form a single loop without crossings or branches. The numbers indicate how many lines surround it.
Left click between the dots to connect them. Right click to mark with X.

Video Tutorial
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Slitherlink


5x5 Normal Loop | 5x5 Hard Loop | 7x7 Normal Loop | 7x7 Hard Loop | 10x10 Normal Loop | 10x10 Hard Loop | 15x15 Normal Loop | 15x15 Hard Loop | 20x20 Normal Loop | 20x20 Hard Loop | 25x30 Normal Loop | 25x30 Hard Loop

This Month
1. martosss
96
 00:10.09
2. enes161803 00:14.80
3. lpbxrzpd
31
 00:14.97
4. Go5Go
100
 00:17.03
5. Rosca Ivan
42
 00:17.60
6. Kenolo353
107
 00:17.95
7. iofbh 00:20.93
8. sifk491
11
 00:21.69
9. fishysua
145
 00:21.99
10. sarasto
6
 00:22.98
11. Swear
13
 00:23.84
12. Bosao
8
 00:24.83
13. qobi
229
 00:25.37
14. geyik
185
 00:27.17
15. GaryMilligan 00:27.25
16. oshi
48
 00:27.83
17. cecile 00:28.39
18. Ramana71 00:30.83
19. frickenlol 00:32.61
20. psaini69 00:33.29
This Week
1. martosss
96
 00:10.71
2. Kenolo353
107
 00:17.95
3. enes161803 00:18.68
4. fishysua
145
 00:21.99
5. Rosca Ivan
42
 00:26.63
6. geyik
185
 00:27.17
7. GaryMilligan 00:27.25
8. Swear
13
 00:28.45
9. Ramana71 00:30.83
10. Enoz3
16
 00:35.27
11. AAMMZZBB 00:36.38
12. Sideways8 00:37.96
13. sifk491
11
 00:43.19
14. rurijj 00:51.05
15. Balbara 00:57.43
16. pannagauken
10
 00:57.46
17. AMA17Cordoba 00:57.87
18. 陈竹
16
 01:00.14
19. 3tile
8
 01:26.12
20. AutoMattic 01:55.76
Today
1. fishysua
145
 00:21.99
2. Kenolo353
107
 00:25.93
3. geyik
185
 00:27.17
4. Ramana71 00:44.03
5. Balbara 00:59.62
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
298
 00:10.13
2. cknori95
64
 00:10.14
3. vowels
216
 00:11.52
4. PuzzleMaestro
79
 00:11.55
5. dkxxznxxx
32
 00:11.75
6. martosss
96
 00:12.13
7. KkLewandowski
76
 00:12.62
8. chihiro
79
 00:13.21
9. avani
36
 00:13.43
10. Bluegill16384
200
 00:14.19
AO5
1. numbrr
298
 00:10.09
2. cknori95
64
 00:11.19
3. KkLewandowski
76
 00:12.59
4. vowels
216
 00:12.68
5. PuzzleMaestro
79
 00:12.70
6. martosss
96
 00:13.39
7. Bluegill16384
200
 00:14.62
8. avani
36
 00:14.83
9. Make
273
 00:15.01
10. qqwref
260
 00:15.09
AO12
1. numbrr
298
 00:12.28
2. cknori95
64
 00:13.52
3. KkLewandowski
76
 00:14.21
4. vowels
216
 00:14.49
5. PuzzleMaestro
79
 00:14.88
6. martosss
96
 00:15.40
7. chihiro
79
 00:16.66
8. Bluegill16384
200
 00:16.67
9. Ronja
112
 00:16.94
10. qqwref
260
 00:17.23
Robots / programmatic solversinfo  
1.joshprzybyszewski
18
00:00.060
2.jllachan00:00.510
3.RaislinSnow
28
00:01.074

* 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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2025-08-21 11:41:56

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