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
105
 00:03.18
2. magarner
61
 00:03.35
3. martosss
102
 00:03.43
4. unsung 00:03.75
5. Hanman 00:04.32
6. ankodama
42
 00:05.00
7. nitros19 00:05.39
8. RobertFuego 00:05.52
9. boru
135
 00:06.04
10. numbrr
325
 00:06.07
11. yc40756 00:06.20
12. IPlayTheTuba 00:06.41
13. ysh2020 00:06.56
14. sauceguardian
117
 00:06.95
15. Oblique_Strophoid
57
 00:07.05
16. kuner 00:07.12
17. Slitherking
8
 00:07.17
18. dailinli
61
 00:07.50
19. Nitish Bhardwaj
17
 00:07.65
20. cecile 00:07.89
This Week
1. quad
105
 00:03.29
2. martosss
102
 00:03.43
3. magarner
61
 00:04.18
4. Hanman 00:04.41
5. ankodama
42
 00:05.00
6. dailinli
61
 00:07.50
7. yc40756 00:07.53
8. thrasymachus
89
 00:08.68
9. Azalia 00:08.94
10. Nitish Bhardwaj
17
 00:09.10
11. JUST123
40
 00:09.11
12. blacksheepx
11
 00:09.96
13. sifk491
13
 00:10.04
14. big_rich
26
 00:10.08
15. eljot
32
 00:12.33
16. Bezerkomonkey
18
 00:12.37
17. marker67 00:12.61
18. ojina1215 00:12.69
19. oversizedpixie
136
 00:14.52
20. P1ng7c 00:15.30
Today
1. martosss
102
 00:03.56
2. ankodama
42
 00:05.39
3. JUST123
40
 00:09.11
4. ojina1215 00:12.69
5. qlyy1007 00:47.25
6. itelder 01:16.12
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. PuzzleMaestro
107
 00:03.12
2. vowels
216
 00:03.13
3. numbrr
325
 00:03.28
4. dkxxznxxx
34
 00:03.47
5. quad
105
 00:03.67
6. martosss
102
 00:03.76
7. cknori95
65
 00:03.92
8. magarner
61
 00:04.12
9. KkLewandowski
86
 00:04.13
10. nabi
92
 00:04.14
AO5
1. vowels
216
 00:03.23
2. numbrr
325
 00:03.39
3. PuzzleMaestro
107
 00:03.45
4. martosss
102
 00:03.74
5. dkxxznxxx
34
 00:03.76
6. quad
105
 00:03.92
7. KkLewandowski
86
 00:04.21
8. cknori95
65
 00:04.25
9. nabi
92
 00:04.39
10. avani
36
 00:04.40
AO12
1. PuzzleMaestro
107
 00:03.71
2. numbrr
325
 00:03.81
3. vowels
216
 00:03.92
4. martosss
102
 00:04.17
5. quad
105
 00:04.32
6. dkxxznxxx
34
 00:04.69
7. KkLewandowski
86
 00:04.80
8. nabi
92
 00:04.81
9. BingBongBob
108
 00:04.83
9. magarner
61
 00:04.83
Robots / programmatic solversinfo  
1.dbut2
45
00:00.004
2.siebi
1
00:00.006
3.joshprzybyszewski
18
00:00.059

* 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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