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.

Video Tutorial

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This Month
1.	Piroska9	00:05.83
2.	Kukko	00:07.79
3.	llmt9	00:08.86
4.	OCMEROS	00:11.26
5.	magaso16	00:12.41
6.	WilsonCWMui	00:13.20
7.	ypw19	00:13.68
8.	jacek66	00:13.80
9.	Vendetta907	00:13.88
10.	PuzzleMaestro	00:17.70
11.	meneerH	00:18.70
12.	yyyyyyyejin	00:19.86
13.	LITHEWINNER	00:20.13
14.	DumbKojiShimizu	00:20.89
15.	May John	00:22.50
16.	Laury Goergen	00:22.57
17.	JoyFFFFFFF	00:23.11
18.	lxy082	00:23.38
19.	モグモグ	00:25.08
20.	Frog1	00:27.44

This Week
1.	Piroska9	00:07.58
2.	Kukko	00:07.79
3.	llmt9	00:08.86
4.	OCMEROS	00:11.26
5.	ypw19	00:13.68
6.	jacek66	00:17.95
7.	LITHEWINNER	00:20.13
8.	DumbKojiShimizu	00:22.06
9.	Laury Goergen	00:22.57
10.	JoyFFFFFFF	00:23.11
11.	lxy082	00:23.38
12.	HNO3	01:10.08
13.	xiaoyang	01:37.94
14.	Didde	02:50.98
15.	Uthor	6d 20:40:08.96
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Today
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MO3
1.	numbrr	00:03.51
2.	mtanzer	00:03.61
3.	BingBongBob	00:04.43
4.	nabi	00:05.73
5.	Puzzleist	00:06.10
6.	Piroska9	00:06.19
7.	Vezzick	00:06.38
8.	jaybrainer	00:06.76
9.	hkjsf	00:06.95
10.	CandiceDW	00:07.10

AO5
1.	mtanzer	00:03.68
2.	numbrr	00:03.91
3.	BingBongBob	00:04.52
4.	Puzzleist	00:06.34
5.	Piroska9	00:06.45
6.	hkjsf	00:06.95
7.	jaybrainer	00:07.45
8.	CandiceDW	00:07.55
8.	Make	00:07.55
10.	nabi	00:07.79

AO12
1.	numbrr	00:05.08
2.	mtanzer	00:06.03
3.	Puzzleist	00:07.37
4.	BingBongBob	00:08.43
5.	CandiceDW	00:08.76
6.	hkjsf	00:09.45
7.	Vezzick	00:10.21
8.	selahsea	00:10.49
9.	Make	00:11.20
10.	Ben65732	00:11.29

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Paul Bismuth	00:01.571
3.	dZ01DW	00:34.040

* 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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2026-03-09 09:49:23

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