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. numbrr
321
00:15.17
2. quad
98
00:20.89
3. fufafofofofafuu 00:26.05
4. fufafofafufi 00:27.43
5. JZE
88
00:32.07
6. yc40756 00:33.32
7. dailinli
57
00:36.88
8. Rhododendron
156
00:39.95
9. SpecialK68
51
00:41.51
10. FCB0320 00:41.87
11. Oryn
179
00:42.30
12. Kenolo353
123
00:43.63
13. iofbh 00:43.79
14. qobi
238
00:46.67
15. homer 00:48.81
16. ankodama
36
00:49.79
17. RobertFuego 00:52.77
18. KlausS
29
00:53.12
19. ED section
19
00:54.36
20. CapitanCaguama 00:56.92
This Week
1. quad
98
00:21.30
2. fufafofafufi 00:28.67
3. fufafofofofafuu 00:31.78
4. yc40756 00:33.32
5. Rhododendron
156
00:39.95
6. FCB0320 00:41.87
7. SpecialK68
51
00:42.50
8. qobi
238
00:46.67
9. KlausS
29
00:53.12
10. Nitish Bhardwaj
17
00:57.51
11. wanglc 00:59.52
12. ED section
19
00:59.75
13. Solander
71
01:02.29
14. ETETIT 01:03.76
15. KETJAK
40
01:06.14
16. EricLoo28
4
01:10.09
17. katsudon
1
01:12.83
18. Ramana71 01:13.63
19. Mikelmusic73 01:16.52
20. rurijj 01:17.43
Today
1. Nitish Bhardwaj
17
00:57.51
2. KlausS
29
00:58.17
3. katsudon
1
01:12.83
4. Ramana71 01:14.76
5. ost51 01:48.27
6. kiddikai
20
02:02.89
7. YanOto
7
02:35.89
8. yottyan 02:46.54
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
321
00:17.50
2. PuzzleMaestro
94
00:19.49
3. vowels
216
00:19.82
4. cknori95
65
00:22.44
5. quad
98
00:22.92
6. martosss
101
00:23.34
7. home
215
00:23.67
8. KkLewandowski
82
00:24.02
9. arcer
168
00:25.43
10. Make
284
00:25.91
AO5
1. numbrr
321
00:18.15
2. PuzzleMaestro
94
00:20.13
3. vowels
216
00:20.40
4. cknori95
65
00:23.05
5. martosss
101
00:23.95
6. home
215
00:24.40
7. quad
98
00:24.47
8. KkLewandowski
82
00:25.38
9. Make
284
00:26.14
10. bakpao
67
00:26.80
AO12
1. numbrr
321
00:18.99
2. PuzzleMaestro
94
00:21.82
3. vowels
216
00:22.82
4. cknori95
65
00:24.37
5. home
215
00:25.38
6. KkLewandowski
82
00:26.12
7. quad
98
00:26.40
8. martosss
101
00:26.64
9. Make
284
00:27.25
10. bakpao
67
00:27.61
Robots / programmatic solversinfo  
1.dbut2
39
00:00.008
2.joshprzybyszewski
18
00:00.060
3.exabyte_bot
3
00:00.199

* 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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