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.anonymous
1340
00:00.11
2. vowels
202
03:03.86
3. suuperch
112
03:49.69
4. qqwref
259
04:17.05
5. Icay
170
04:24.76
6. hoodxxc
200
04:31.46
7. XuanLan
128
04:34.75
8. FAlin
160
04:58.16
9. Andy100
84
05:10.78
10. Sam9375
211
05:16.42
AO5
1.anonymous
1340
00:00.11
2. vowels
202
03:07.40
3. suuperch
112
03:50.63
4. qqwref
259
04:22.97
5. Icay
170
04:33.83
6. hoodxxc
200
04:36.86
7. XuanLan
128
04:45.98
8. FAlin
160
05:00.38
9. qobi
191
05:03.73
10. Sam9375
211
05:38.36
AO12
1.anonymous
1340
00:00.15
2. vowels
202
03:17.23
3. suuperch
112
04:03.60
4. qqwref
259
04:56.39
5. Icay
170
05:12.04
6. hoodxxc
200
05:20.21
7. XuanLan
128
05:36.45
8. fn
129
06:29.49
9. Andy100
84
06:41.70
10. Sam9375
211
06:56.34
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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2024-04-27 02:38:29

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