Shikaku


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Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

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Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

This Month
1. qobi
142
00:53.31
2. DukeAmsterdam 01:01.29
3. Another 01:01.54
4. GeorgPfleger
69
01:10.38
5. Icay
93
01:13.85
6. Dorice
148
01:18.81
7. Goubtless
27
01:37.24
8. 3132334 01:38.69
9. DogeFall
15
01:42.72
10. ChiefOsceola 01:55.45
11. Skutti 01:59.59
12. West United
59
02:01.23
13. Make
162
02:05.62
14. BlueOcarina
64
02:38.04
15. ClaraO 02:43.02
16. yosiaki 02:45.97
17. naupactes 02:46.51
18. PrincessLeia 03:33.30
19. pineapple7
4
03:34.67
20. Wandawoman 04:04.48
This Week
1. Another 01:01.54
2. GeorgPfleger
69
01:10.38
3. 3132334 01:43.99
4. DogeFall
15
01:54.22
5. West United
59
02:01.23
6. Goubtless
27
02:22.73
7. ClaraO 02:43.02
8. naupactes 02:46.51
9. Wandawoman 04:04.48
10. inequality 06:17.29
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1.--- empty -----:--
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
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. demian2
61
00:35.74
2. vowels
171
00:38.76
3. sfumato
160
00:42.83
4. mtanzer
140
00:42.94
5. bearn
127
00:43.79
6. qqwref
203
00:44.89
7. qobi
142
00:51.01
8. arcer
86
00:52.65
9. Sam9375
171
00:53.29
10. BingBongBob
76
00:53.48
AO5
1. demian2
61
00:37.73
2. vowels
171
00:41.37
3. sfumato
160
00:46.40
4. qqwref
203
00:47.95
5. mtanzer
140
00:48.68
6. qobi
142
00:51.01
7. bearn
127
00:52.82
8. arcer
86
00:53.35
9. BingBongBob
76
00:54.80
10. Sam9375
171
00:58.07
AO12
1. vowels
171
00:47.00
2. mtanzer
140
00:54.07
3. bearn
127
00:55.15
4. qqwref
203
00:56.08
5. qobi
142
01:02.60
6. arcer
86
01:03.09
7. sfumato
160
01:03.92
8. BingBongBob
76
01:08.49
9. Geras
69
01:12.53
10. Sam9375
171
01:12.86
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.957
3.--- empty -----:--

* 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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2022-11-29 05:18:01

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