Sea Battle

Call your shots, find the hidden fleet and sink every ship before the computer sinks yours.

Enemy waters

Your fleet

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Ships are placed with a secure random generator. The computer never peeks at your fleet.

The classic pencil-and-paper naval game

Both sides hide a fleet on a 10×10 grid. Take turns firing at squares on the enemy grid: a miss shows a white dot, a hit an orange cross, and a ship is sunk when every square of it has been hit. A hit earns you another shot. Sink the whole enemy fleet first to win.

Choose the 5-ship fleet (ships of 5, 4, 3, 3 and 2 squares) or the classic 10-ship fleet (4, 3, 3, 2, 2, 2, 1, 1, 1, 1) in which ships may not touch – then squares around a sunk ship are marked automatically. Your fleet is placed at random; tap Shuffle my ships for a new layout before the first shot. The computer plays easy (random shots), medium (hunts after a hit) or hard (calculates where ships are most likely to be).

How to use

  1. Choose the fleet and level. Shuffle your ships until you like the layout.
  2. Tap a square on the enemy grid to fire.
  3. After a hit you shoot again; after a miss the computer fires.
  4. Sink all enemy ships to win.

Ideas for using it

  • Tip. shoot in a checkerboard pattern – with the 5-ship fleet every ship covers at least two squares.
  • After a hit. try the four neighbouring squares to find the ship’s direction.
  • Kids. easy level and the 5-ship fleet are a great first game.
  • Challenge. can you beat the hard computer with fewer than 50 shots?

Frequently asked questions

Can I place my ships myself?

Ships are placed at random so a game starts in seconds. Press Shuffle my ships as often as you like before your first shot.

What does the hard level do?

It counts in how many ways the remaining ships could still fit on each square and fires at the most likely one, then hunts down the ship after a hit.

Why are squares marked after a ship sinks?

In the 10-ship fleet ships may not touch, so the squares around a sunk ship are certainly empty and are marked for you.

Is it the same as the branded board game?

It is the traditional naval guessing game that was played on paper long before any board game version.