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
Position for user "PTTturing"
All time:n/aThis Month:n/aThis Week:n/aToday:n/a
This Month
1. zzzzz0229
22
 01:11.97
2. PuzzleMaestro
90
 01:57.31
3. KkLewandowski
80
 02:16.24
4. Oblique_Strophoid
54
 02:38.66
5. Ronja
119
 02:41.80
6. CTCCTES 03:09.35
7. Kenolo353
120
 03:28.14
8. Chamelumi
43
 03:28.55
9. dailinli
54
 03:29.65
10. fufafofofofafuu 03:45.11
11. VerictBBB
12
 04:01.87
12. PanamotoAT9288 04:07.31
13. nestorgames 04:07.90
14. Oryn
171
 04:32.44
15. anzuruni 04:37.08
16. qobi
235
 05:19.08
17. Ramsus 05:39.12
18. nbapip 05:46.42
19. TCfromSoS
39
 05:50.77
20. AnonyMinor
77
 05:52.77
This Week
1. Ronja
119
 02:41.80
2. Kenolo353
120
 04:07.16
3. Oryn
171
 04:32.44
4. PanamotoAT9288 04:55.67
5. anzuruni 04:57.86
6. nbapip 05:46.42
7. TCfromSoS
39
 05:50.77
8. RobertFuego 06:30.02
9. Dorice
265
 07:29.57
10. GaryMilligan 07:45.77
11. Rhododendron
150
 08:02.80
12. qobi
235
 08:20.15
13. KillerBee
137
 08:27.05
14. tomasR
2
 09:35.56
15. NotTheWalker
13
 12:41.59
16. kantikshah
17
 12:54.41
17. Hayyii 13:08.95
18. chenlin 13:56.47
19. macabaca 14:54.60
20. Seballon
19
 21:29.08
Today
1. Kenolo353
120
 04:29.75
2. GaryMilligan 07:45.77
3. rpssl 1:23:54.53
4.--- empty -----:--
5.--- empty -----:--
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8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
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20.--- empty -----:--
MO3
1. zzzzz0229
22
 01:16.13
2. numbrr
310
 01:58.64
3. Ronja
119
 02:19.34
4. KkLewandowski
80
 02:26.06
5. cknori95
65
 02:32.17
6. Oblique_Strophoid
54
 02:33.25
7. chihiro
88
 02:42.51
8. Bluegill16384
211
 02:44.05
9. Gaminator
73
 02:46.81
10. Make
279
 03:11.11
AO5
1. zzzzz0229
22
 01:13.50
2. numbrr
310
 02:01.94
3. KkLewandowski
80
 02:28.30
4. Ronja
119
 02:32.86
5. cknori95
65
 02:38.60
6. Oblique_Strophoid
54
 02:42.97
7. Bluegill16384
211
 02:49.60
8. Gaminator
73
 02:55.48
9. Anders Christiansen
88
 03:20.07
10. TCL
273
 03:22.71
AO12
1. numbrr
310
 02:12.45
2. KkLewandowski
80
 02:35.59
3. Ronja
119
 02:42.32
4. cknori95
65
 02:50.39
5. Bluegill16384
211
 03:06.51
6. Gaminator
73
 03:10.76
7. Oblique_Strophoid
54
 03:21.65
8. Anders Christiansen
88
 03:41.31
9. TCL
273
 03:41.95
10. Make
279
 03:47.79
Robots / programmatic solversinfo  
1.joshprzybyszewski
18
00:00.064
2.jllachan00:00.541
3.RaislinSnow
32
00:01.080

* 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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