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
Hide the rules
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

New Puzzle
This Month
1. magarner
45
 01:53.11
2. quad
103
 01:56.80
3. ysh2020 02:17.87
4. 飞飞
53
 02:19.40
5. francolq
17
 02:29.75
6. fufafofofofafuu 02:30.41
7. fufafofafufi 02:30.62
8. yc40756 02:33.41
9. dailinli
60
 02:46.50
10. joszwaylen 02:52.61
11. BigTom 02:55.52
12. qobi
241
 03:15.00
13. spelabrle
8
 03:27.68
14. baudinsvoyagers 03:29.33
15. 陳昇展
44
 03:36.91
16. RobertFuego 03:43.98
17. yeonbbong2
1
 03:59.33
18. kennethaw88
160
 04:09.46
19. Azalia 04:12.97
20. rozer
214
 04:30.87
This Week
1. magarner
45
 02:06.55
2. 飞飞
53
 02:19.40
3. fufafofafufi 02:30.62
4. fufafofofofafuu 02:33.93
5. BigTom 02:55.52
6. spelabrle
8
 03:27.68
7. RobertFuego 03:43.98
8. Azalia 04:12.97
9. cecile 04:44.13
10. Egoalien 05:03.22
11. ankodama
38
 05:09.16
12. ljp4444 05:22.90
13. dixxx 05:47.48
14. mhkmhk 05:51.85
15. gorilla801
1
 05:59.16
16. madsign
64
 06:52.35
17. Tian
40
 06:59.63
18. Tinkiet 07:37.10
19. xilli 08:15.77
20. ArseneL
11
 08:51.40
Today
1. fufafofofofafuu 02:42.73
2. fufafofafufi 02:52.54
3. BigTom 03:19.93
4. spelabrle
8
 03:27.68
5. Azalia 04:12.97
6. cecile 04:44.13
7. mhkmhk 05:51.85
8. gorilla801
1
 05:59.92
9. rurijj 10:35.17
10. osamu02 25:38.75
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. numbrr
322
 01:27.98
2. home
217
 01:37.99
3. PuzzleMaestro
101
 01:42.09
4. vowels
216
 01:50.83
5. cknori95
65
 01:52.13
6. KkLewandowski
85
 01:56.72
7. harveyrice
53
 01:59.87
8. wangzimoxx
49
 02:02.85
9. bakpao
67
 02:03.35
10. quad
103
 02:05.39
AO5
1. numbrr
322
 01:30.14
2. home
217
 01:40.95
3. PuzzleMaestro
101
 01:43.63
4. KkLewandowski
85
 01:58.03
5. vowels
216
 01:58.57
6. cknori95
65
 01:58.67
7. bakpao
67
 02:05.19
8. harveyrice
53
 02:05.27
9. wangzimoxx
49
 02:05.92
10. Bluegill16384
216
 02:08.54
AO12
1. numbrr
322
 01:31.67
2. home
217
 01:48.65
3. vowels
216
 02:01.91
4. bakpao
67
 02:10.37
5. PuzzleMaestro
101
 02:10.41
6. KkLewandowski
85
 02:11.09
7. Ronja
125
 02:15.73
8. Bluegill16384
216
 02:16.77
9. quad
103
 02:16.90
10. cknori95
65
 02:17.31
Robots / programmatic solversinfo  
1.siebi
1
00:00.013
2.dbut2
45
00:00.014
3.joshprzybyszewski
18
00:00.060

* 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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