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
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Today
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MO3
1. vowels
171
02:05.78
2. suuperch
89
02:26.43
3. FAlin
139
02:49.98
4. hoodxxc
142
02:53.51
5. qqwref
203
03:07.03
6. mp3some
81
03:08.10
7. XuanLan
97
03:19.33
8. KaedeLen
38
03:28.46
9. sredmond
52
03:28.60
10. Kunabanana
51
03:29.29
AO5
1. vowels
171
02:17.42
2. suuperch
89
02:27.91
3. FAlin
139
02:54.03
4. hoodxxc
142
02:55.84
5. qqwref
203
03:07.03
6. mp3some
81
03:26.82
7. Sam9375
171
03:29.68
8. XuanLan
97
03:29.90
9. KaedeLen
38
03:31.98
10. bearn
127
03:38.37
AO12
1. vowels
171
02:28.22
2. suuperch
89
02:44.45
3. hoodxxc
142
03:04.81
4. qqwref
203
03:29.11
5. FAlin
139
03:30.76
6. mp3some
81
03:39.31
7. Sam9375
171
03:43.77
8. sredmond
52
04:03.44
9. major414
60
04:14.72
10. eemikun
48
04:23.86
Robots / programmatic solversinfo  
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* 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 05:03:26

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