Battleships

Battleships also known as Bimaru is a logic puzzle with simple rules and challenging solutions.

The rules of Battleships are simple:
You have to find the location of the battleships hidden in the grid. Some battleships may be partially revealed.
A battleship is a straight line of consecutive black cells.
The number of the battleships from each size is shown in the legend below the grid.
2 battleships cannot touch each other (even diagonally)
The numbers outside the grid show the number of cells occupied by battleships on that row/column.

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This Month
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This Week
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Today
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MO3
1.	Calix Castillo	00:57.46
2.	numbrr	01:17.82
3.	summernight	01:21.56
4.	Ben65732	01:22.76
5.	anonymous	01:26.18
6.	huffpuff1337	01:33.50
7.	Make	01:39.98
8.	RichardXimota	01:43.42
9.	icecreammac	01:44.59
10.	FAlin	01:44.63

AO5
1.	Calix Castillo	00:58.42
2.	numbrr	01:13.66
3.	Ben65732	01:31.59
4.	summernight	01:34.37
5.	mp3some	01:51.01
6.	a979453451	01:52.02
7.	Make	01:52.65
8.	stefanwg	01:53.75
9.	Kuruwa	01:55.23
10.	Cbear1696	01:55.72

AO12
1.	Calix Castillo	01:11.44
2.	summernight	02:00.41
3.	Ben65732	02:06.32
4.	dxjonas	02:12.58
5.	Antoniy	02:14.11
6.	Noah Kilpack	02:17.40
7.	Sam9375	02:18.72
8.	Kuruwa	02:21.92
9.	sealhy	02:23.63
10.	Zirun Ding	02:23.67

Robots / programmatic solvers		info
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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.
You need to be logged in to track your averages

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2025-07-11 09:37:32

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