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. quad
99
 00:56.91
2. xxbh02jf 01:00.86
3. martosss
101
 01:01.16
4. Franolich 01:05.37
5. fufafofafufi 01:12.80
6. fufafofofofafuu 01:14.05
7. KingJones 01:15.38
8. FCB0320 01:18.49
9. yc40756 01:20.87
10. PuppyM
57
 01:26.28
11. Azether
33
 01:32.05
12. dailinli
57
 01:35.55
13. Kenolo353
123
 01:36.11
14. JZE
88
 01:38.50
15. Go Ki Shin
11
 01:43.57
16. 2584365780 01:45.37
17. Rhododendron
157
 01:45.58
18. Dorice
270
 01:46.26
19. qobi
238
 01:46.35
20. SheReadsALot 01:49.71
This Week
1. quad
99
 01:01.09
2. martosss
101
 01:01.16
3. Franolich 01:06.46
4. fufafofofofafuu 01:14.05
5. fufafofafufi 01:20.16
6. PuppyM
57
 01:26.28
7. Kenolo353
123
 01:36.11
8. Go Ki Shin
11
 01:43.57
9. 2584365780 01:45.37
10. Rhododendron
157
 01:45.58
11. SheReadsALot 01:49.71
12. zzdzz
11
 02:00.36
13. Squina 02:06.79
14. Joe K
38
 02:12.20
15. wanglc 02:13.53
16. Dorice
270
 02:16.13
17. cecile 02:17.91
18. gorilla801
1
 02:46.98
19. eljot
32
 03:40.89
20. rurijj 03:48.64
Today
1. quad
99
 01:01.09
2. martosss
101
 01:04.63
3. Franolich 01:10.44
4. Go Ki Shin
11
 01:55.90
5. zzdzz
11
 02:10.30
6. cecile 02:49.27
7. gorilla801
1
 03:23.12
8. eljot
32
 03:40.89
9. momimgaming 03:57.23
10. Savey-希维
7
 06:39.12
11. osamu02 07:42.26
12. Rivdo
12
 17:57.20
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. numbrr
321
 00:44.86
2. PuzzleMaestro
94
 00:49.22
3. home
215
 00:52.05
4. vowels
216
 00:53.05
5. KkLewandowski
82
 00:57.63
6. cknori95
65
 00:57.86
7. martosss
101
 00:58.52
8. quad
99
 01:02.47
9. Make
284
 01:05.34
10. bakpao
67
 01:05.92
AO5
1. numbrr
321
 00:45.45
2. PuzzleMaestro
94
 00:51.97
3. home
215
 00:52.37
4. vowels
216
 00:54.12
5. cknori95
65
 00:58.40
6. KkLewandowski
82
 00:58.98
7. martosss
101
 01:00.60
8. quad
99
 01:05.39
9. Make
284
 01:06.42
10. bakpao
67
 01:09.05
AO12
1. numbrr
321
 00:49.14
2. vowels
216
 00:55.95
3. home
215
 00:56.00
4. PuzzleMaestro
94
 00:59.87
5. KkLewandowski
82
 01:00.00
6. cknori95
65
 01:00.02
7. martosss
101
 01:05.03
8. quad
99
 01:08.23
9. Make
284
 01:09.02
10. bakpao
67
 01:10.82
Robots / programmatic solversinfo  
1.dbut2
39
00:00.011
2.joshprzybyszewski
18
00:00.060
3.exabyte_bot
3
00:00.198

* 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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