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. cknori95
64
 00:25.31
2. martosss
96
 00:26.87
3. harveyrice
53
 00:29.94
4. Aou73
42
 00:32.31
5. 飞飞
50
 00:34.63
6. tsubaki310
1
 00:38.12
7. 66
45
 00:46.07
8. y4mburger 00:49.72
9. Rosca Ivan
42
 00:51.65
10. TillSt24 00:55.36
11. Kenolo353
106
 00:55.55
12. Freddie3
11
 00:56.15
13. SYLZGC 00:57.35
14. cecile 00:58.50
15. GaryMilligan 01:00.89
16. frickenlol 01:01.22
17. Phillillillip 01:04.46
18. dianzhui 01:05.41
19. qobi
229
 01:05.43
20. anzuruni 01:06.77
This Week
1. Aou73
42
 00:38.64
2. tsubaki310
1
 00:39.23
3. y4mburger 00:49.72
4. TillSt24 00:55.36
5. Kenolo353
106
 00:57.44
6. GaryMilligan 01:00.89
7. Phillillillip 01:06.73
8. Eugene Pakhomov
23
 01:15.62
9. Swear
13
 01:27.86
10. microsun
12
 01:29.04
11. thrasymachus
18
 01:32.28
12. TinyEmperor 01:33.43
13. Zmija 01:38.91
14. zitouni 01:42.60
15. achakeym
27
 01:56.62
16. hurang
29
 01:58.52
17. ktymhyo 02:19.79
18. jc2408a 02:20.25
19. rurijj 02:23.91
20. kantikshah 02:24.71
Today
1. tsubaki310
1
 00:40.71
2. TillSt24 00:55.36
3. GaryMilligan 01:18.11
4. Kenolo353
106
 01:25.58
5. TinyEmperor 01:33.43
6. hurang
29
 01:58.52
7. achakeym
27
 02:05.73
8. ktymhyo 02:41.78
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
 00:24.66
2. PuzzleMaestro
79
 00:25.52
3. KkLewandowski
76
 00:27.56
4. cknori95
64
 00:27.69
5. biopower
149
 00:30.74
6. Ronja
112
 00:31.58
7. Make
273
 00:31.96
8. Bluegill16384
200
 00:32.02
9. martosss
96
 00:32.13
10. chihiro
79
 00:32.33
AO5
1. numbrr
298
 00:25.46
2. KkLewandowski
76
 00:26.04
3. PuzzleMaestro
79
 00:27.94
4. cknori95
64
 00:29.05
5. chihiro
79
 00:32.33
6. Bluegill16384
200
 00:32.89
7. Ronja
112
 00:32.93
8. Make
273
 00:33.33
9. biopower
149
 00:33.34
10. martosss
96
 00:35.07
AO12
1. numbrr
298
 00:30.42
2. KkLewandowski
76
 00:30.52
3. cknori95
64
 00:32.55
4. Ronja
112
 00:34.96
5. Bluegill16384
200
 00:35.36
6. biopower
149
 00:36.25
7. Make
273
 00:37.65
8. PuzzleMaestro
79
 00:37.91
9. vowels
216
 00:39.05
10. martosss
96
 00:39.71
Robots / programmatic solversinfo  
1.joshprzybyszewski
18
00:00.061
2.jllachan00:00.512
3.RaislinSnow
28
00:01.077

* 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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2025-08-13 18:40:51

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