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. Yokino
13
 01:02.00
2. xxbh02jf 04:02.03
3. wangsq
23
 05:09.31
4. PuppyM
53
 05:15.89
5. dailinli
56
 05:16.13
6. fufafofafufi 05:17.24
7. jacjac 05:19.93
8. xiaren 05:20.28
9. comradelx 05:21.66
10. fufafofofofafuu 05:29.72
11. easli
62
 05:49.76
12. 3mZh3ng 06:15.61
13. suzuho 06:20.42
14. rekted 06:29.51
15. 2584365780 06:48.18
16. KElevenL
23
 07:03.60
17. Kenolo353
123
 07:08.59
18. ikkoudai 07:30.23
19. Andrejs 07:30.75
20. Cabopak 07:38.24
This Week
1. Yokino
13
 01:02.00
2. xxbh02jf 04:02.03
3. wangsq
23
 05:09.31
4. dailinli
56
 05:16.13
5. fufafofafufi 05:17.24
6. fufafofofofafuu 05:34.39
7. easli
62
 05:49.76
8. PuppyM
53
 05:53.70
9. 2584365780 06:48.18
10. ikkoudai 07:41.78
11. 3QxQ3 07:54.32
12. Cabopak 08:23.69
13. Tom Hicks
12
 08:51.82
14. Realfun 09:52.15
15. yingtao 10:11.62
16. Huberyzhang 10:33.97
17. basheer 10:34.07
18. puzzler77
15
 10:36.49
19. Flamy Li
10
 11:26.20
20. SeaSnailsShell
66
 11:34.08
Today
1. Yokino
13
 01:02.00
2. wangsq
23
 05:09.31
3. dailinli
56
 05:16.13
4. PuppyM
53
 06:30.80
5. ikkoudai 08:16.87
6. ETETIT 11:42.87
7. Realfun 12:59.86
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. Yokino
13
 01:15.43
2. numbrr
320
 02:56.49
3. home
214
 03:05.44
4. PuzzleMaestro
92
 03:28.16
5. wangzimoxx
29
 03:41.24
6. harveyrice
53
 03:44.69
7. KkLewandowski
81
 03:44.98
8. vowels
216
 03:48.05
9. bakpao
67
 04:03.66
10. cknori95
65
 04:03.76
AO5
1. Yokino
13
 01:17.32
2. numbrr
320
 02:57.40
3. home
214
 03:08.29
4. PuzzleMaestro
92
 03:30.38
5. KkLewandowski
81
 03:48.33
6. wangzimoxx
29
 03:48.63
7. harveyrice
53
 03:49.07
8. vowels
216
 03:55.49
9. bakpao
67
 04:06.73
10. cknori95
65
 04:10.69
AO12
1. numbrr
320
 03:06.93
2. home
214
 03:17.77
3. vowels
216
 03:56.17
4. PuzzleMaestro
92
 03:57.53
5. harveyrice
53
 04:02.24
6. KkLewandowski
81
 04:14.66
7. cknori95
65
 04:18.52
8. wangzimoxx
29
 04:19.33
9. lq2022lucky
56
 04:33.77
10. bakpao
67
 04:40.10
Robots / programmatic solversinfo  
1.joshprzybyszewski
18
00:00.060
2.exabyte_bot
1
00:00.217
3.jllachan00:00.540

* 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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