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. numbrr
320
 00:50.24
2. Woongbb 01:03.05
3. AugustHagen 01:10.64
4. quad
93
 01:26.71
5. fufafofafufi 01:36.12
6. fufafofofofafuu 01:39.81
7. dailinli
55
 01:40.45
8. 66
48
 01:43.43
9. Kenolo353
123
 01:49.39
10. comradelx 01:52.25
11. Oryn
176
 02:01.93
12. juhuu 02:12.10
13. artur2017
75
 02:16.27
14. SakyhyKaren 02:17.62
15. anzuruni 02:36.09
16. Freddie3
11
 02:40.60
17. Rickieman86 02:50.48
18. Aqswd 02:50.79
19. beatrixwashere
119
 02:52.79
20. SeaSnailsShell
66
 03:00.59
This Week
1. Woongbb 01:03.05
2. quad
93
 01:26.92
3. fufafofafufi 01:37.55
4. fufafofofofafuu 01:39.81
5. juhuu 02:12.10
6. Kenolo353
123
 02:25.73
7. SakyhyKaren 02:31.55
8. anzuruni 02:36.09
9. Rickieman86 02:50.48
10. Aqswd 02:50.79
11. SeaSnailsShell
66
 03:15.78
12. oshi
61
 03:30.09
13. qobi
237
 03:54.84
14. _Glc_
7
 03:59.31
15. Cathyloop
38
 04:02.29
16. katsudon
1
 04:11.09
17. perimetros 04:27.98
18. Colleen2023 04:51.20
19. ETETIT 05:15.57
20. byer ship
12
 05:24.35
Today
1. fufafofofofafuu 01:39.81
2. fufafofafufi 01:47.58
3. qobi
237
 03:54.84
4. perimetros 05:09.73
5. Colleen2023 05:15.06
6. ETETIT 05:15.57
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. numbrr
320
 00:58.57
2. KkLewandowski
81
 01:13.33
3. Ronja
122
 01:18.34
4. cknori95
65
 01:19.63
5. chihiro
90
 01:25.74
6. Bluegill16384
214
 01:27.61
7. Oblique_Strophoid
54
 01:31.22
8. Anders Christiansen
89
 01:31.62
9. qqwref
266
 01:35.24
10. PuzzleMaestro
92
 01:35.92
AO5
1. numbrr
320
 01:00.60
2. KkLewandowski
81
 01:16.38
3. Ronja
122
 01:20.96
4. cknori95
65
 01:23.56
5. Bluegill16384
214
 01:29.87
6. Oblique_Strophoid
54
 01:31.22
7. chihiro
90
 01:36.71
8. Anders Christiansen
89
 01:37.89
9. quad
93
 01:38.76
10. PuzzleMaestro
92
 01:39.65
AO12
1. numbrr
320
 01:06.49
2. KkLewandowski
81
 01:20.43
3. Ronja
122
 01:26.64
4. cknori95
65
 01:29.65
5. Bluegill16384
214
 01:36.79
6. Oblique_Strophoid
54
 01:38.68
7. Anders Christiansen
89
 01:43.80
8. qqwref
266
 01:45.86
9. quad
93
 01:47.81
10. TCL
276
 01:49.12
Robots / programmatic solversinfo  
1.joshprzybyszewski
18
00:00.060
2.exabyte_bot
1
00:00.203
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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