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. ysh2020 02:28.66
2. fufafofafufi 02:46.20
3. fufafofofofafuu 02:48.24
4. BigTom 02:49.71
5. dailinli
54
 02:50.56
6. rekted 02:59.37
7. PuppyM
48
 02:59.86
8. Kenolo353
121
 03:02.02
9. Alexln
28
 03:03.83
10. Skutti 03:07.24
11. quad
88
 03:10.30
12. 3328037
72
 03:18.99
13. Oryn
172
 03:25.50
14. suzuho 03:27.46
15. qobi
235
 03:56.08
16. 3QxQ3 03:58.99
17. Dorice
266
 04:26.55
18. xana233
60
 04:28.89
19. Harry_Canyon
138
 04:47.71
20. KillerBee
138
 04:53.42
This Week
1. rekted 02:59.37
2. PuppyM
48
 02:59.86
3. BigTom 03:01.52
4. Skutti 03:07.24
5. Kenolo353
121
 03:32.45
6. 3QxQ3 04:18.85
7. xana233
60
 04:28.89
8. KillerBee
138
 04:53.42
9. shamin1987 05:05.20
10. yingtao 05:28.89
11. Truth-or-Peace
133
 05:46.69
12. mhkmhk 06:00.04
13. t0ttrz6 06:09.62
14. eljot
32
 06:31.36
15. Olalawka
14
 06:32.73
16. gorilla801
1
 06:46.80
17. Egoalien 06:50.13
18. katsudon
1
 07:19.54
19. AllenChristina214
36
 07:22.72
20. 2584365780 07:24.18
Today
1. BigTom 03:01.52
2. Skutti 03:07.24
3. Kenolo353
121
 03:41.90
4. mhkmhk 06:00.04
5. Mikelmusic73 08:56.42
6. chocobofluff
21
 10:09.20
7. Bastelfee
58
 12:20.49
8. -Jason-
10
 26:49.67
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
311
 01:27.98
2. home
208
 01:37.99
3. PuzzleMaestro
90
 01:42.88
4. vowels
216
 01:50.83
5. cknori95
65
 01:52.13
6. KkLewandowski
80
 01:56.72
7. harveyrice
53
 01:59.87
8. wangzimoxx
20
 02:02.85
9. bakpao
67
 02:03.35
10. Bluegill16384
211
 02:08.09
AO5
1. numbrr
311
 01:30.14
2. home
208
 01:40.95
3. PuzzleMaestro
90
 01:43.63
4. KkLewandowski
80
 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
20
 02:05.92
10. Bluegill16384
211
 02:08.54
AO12
1. numbrr
311
 01:31.67
2. home
208
 01:48.65
3. vowels
216
 02:01.91
4. bakpao
67
 02:10.37
5. KkLewandowski
80
 02:11.09
6. Ronja
120
 02:15.73
7. Bluegill16384
211
 02:16.77
8. cknori95
65
 02:17.31
9. Make
279
 02:17.51
10. harveyrice
53
 02:25.85
Robots / programmatic solversinfo  
1.dbut2
38
00:00.020
2.joshprzybyszewski
18
00:00.060
3.jllachan00:00.520

* 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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