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

New Puzzle
This Month
1. magarner
39
 01:53.11
2. quad
103
 01:56.80
3. ysh2020 02:17.87
4. 飞飞
53
 02:26.02
5. francolq
16
 02:26.27
6. fufafofofofafuu 02:30.41
7. fufafofafufi 02:32.31
8. yc40756 02:33.41
9. dailinli
60
 02:46.50
10. joszwaylen 02:52.61
11. BigTom 03:01.96
12. qobi
241
 03:15.00
13. baudinsvoyagers 03:29.33
14. 陳昇展
44
 03:36.91
15. Alexln
29
 03:43.91
16. RobertFuego 03:57.63
17. yeonbbong2
1
 03:59.33
18. kennethaw88
160
 04:09.46
19. Azalia 04:25.70
20. rozer
213
 04:30.87
This Week
1. quad
103
 01:56.80
2. ysh2020 02:17.87
3. magarner
39
 02:22.74
4. 飞飞
53
 02:26.02
5. fufafofofofafuu 02:44.87
6. joszwaylen 02:52.61
7. fufafofafufi 02:55.02
8. BigTom 03:16.98
9. baudinsvoyagers 03:29.33
10. RobertFuego 03:57.63
11. yeonbbong2
1
 03:59.33
12. qobi
241
 04:03.06
13. kennethaw88
160
 04:09.46
14. Azalia 04:25.70
15. AllenChristina214
40
 04:30.95
16. KillerBee
144
 05:03.64
17. cecile 05:21.67
18. gorilla801
1
 05:30.95
19. madsign
64
 06:13.90
20. mhkmhk 06:19.92
Today
1. joszwaylen 02:52.61
2. BigTom 03:26.85
3. RobertFuego 04:17.73
4. madsign
64
 06:48.18
5. dixxx 07:26.81
6. CrocodileHill 10:45.09
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.anonymous
322
 01:27.98
2. home
217
 01:37.99
3. PuzzleMaestro
100
 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
48
 02:02.85
9. bakpao
67
 02:03.35
10. quad
103
 02:05.39
AO5
1.anonymous
322
 01:30.14
2. home
217
 01:40.95
3. PuzzleMaestro
100
 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
48
 02:05.92
10. Bluegill16384
216
 02:08.54
AO12
1.anonymous
322
 01:31.67
2. home
217
 01:48.65
3. vowels
216
 02:01.91
4. bakpao
67
 02:10.37
5. PuzzleMaestro
100
 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
44
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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