Shingoki


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Shingoki (Semaphores) 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 loop should pass through all black and white circles in such a way that:
- White circles must be passed through in a straight line
- Black circles must be turned upon
- The numbers in the circles show the sum of the lengths of the 2 straight lines going out of that circle.

Left click between the dots to connect them. Right click to mark with X.

Video Tutorial
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Shingoki


5x5 Easy Shingoki | 5x5 Normal Shingoki | 7x7 Easy Shingoki | 7x7 Normal Shingoki | 7x7 Hard Shingoki | 10x10 Easy Shingoki | 10x10 Normal Shingoki | 10x10 Hard Shingoki | 15x15 Easy Shingoki | 15x15 Normal Shingoki | 15x15 Hard Shingoki | 20x20 Easy Shingoki | 20x20 Normal Shingoki | 20x20 Hard Shingoki | 25x25 Easy Shingoki | 25x25 Normal Shingoki | 25x25 Hard Shingoki

New Puzzle
This Month
1. thrasymachus
71
03:57.53
2. mari502
36
04:05.82
3. guanec1
85
04:20.54
4. qobi
236
04:25.83
5. Techloart
33
04:31.82
6. bugbear
29
04:43.62
7. JazzStyx 04:56.73
8. Rhododendron
153
06:04.39
9. AnonyMouseman
38
07:36.61
10. Beastinboston
53
12:25.84
11. rozer
209
21:21.07
12. ca bbag
129
1:58:28.48
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This Week
1. JazzStyx 05:05.07
2. bugbear
29
05:15.76
3. Techloart
33
05:37.65
4. qobi
236
05:58.40
5. AnonyMouseman
38
09:19.54
6. Beastinboston
53
12:25.84
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Today
1. Techloart
33
05:37.65
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MO3
1. vowels
216
02:41.39
2. ZebraKing
91
02:41.94
3. quad
92
02:48.82
4. numbrr
316
03:04.22
5. Temeraire
68
03:14.73
6. Geinuhayst
20
03:26.19
7. ca bbag
129
03:31.47
8. MoFan
120
03:33.25
9. a21737074481
182
03:34.08
10. 2015YINJ02
181
03:39.54
AO5
1. vowels
216
02:46.51
2. quad
92
02:47.85
3. ZebraKing
91
02:49.50
4. numbrr
316
03:12.59
5. Temeraire
68
03:25.38
6. ca bbag
129
03:27.19
7. a21737074481
182
03:39.93
8. Geinuhayst
20
03:45.20
9. 2015YINJ02
181
03:47.66
10. MoFan
120
03:53.57
AO12
1. quad
92
02:59.36
2. ZebraKing
91
03:03.35
3. vowels
216
03:03.83
4. numbrr
316
03:27.14
5. ca bbag
129
03:41.03
6. Temeraire
68
03:41.18
7. a21737074481
182
03:47.69
8. 2015YINJ02
181
03:53.59
9. MoFan
120
04:05.91
10. SilverHawk
216
04:14.39
Robots / programmatic solversinfo  
1.joshprzybyszewski
18
00:00.072
2.TheRealTravisSmith
2
00:00.107
3.Paul Bismuth
1
00:35.000

* 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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