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Sea Battle
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Sea Battle: play free online

Battleship vs computer or a friend

Published updated

2 player games on one screen Strategy games online Board games online 5-minute fun Train your brain Timeless classics round 5–10 minutes Portrait & landscape Age: 12+ 2 plays Game by Klyo

Sea Battle is the classic battleship game online, free in your browser with nothing to download and no account to create.

  • 5–10 minutesone round
  • touch · mousecontrols
  • onlineplay with other people
  • weekly tournamentleaderboard and trophies
  • 12+age
  • browser, phoneworks on
  • right awayno download, no account
  • 2plays

Watch the gameplay on YouTube

Leaderboard

  1. Play a round. The first score will be yours.
All records

Your rating

How to play Sea Battle

  1. 01

    On a computer: Click a square with the mouse, Esc pauses.

  2. 02

    On a phone: Tap a square on the enemy grid to fire.

About Sea Battle

The grid is ten by ten and each side gets a fleet of ten ships: one ship of four squares, two of three, three of two and four single boats. Ships may not touch, not even at a corner, so placing your fleet is already a small puzzle. The game suggests a layout and you can ask for a new one as many times as you like until it looks hard to find.

The rules are the same as on squared paper at school. You take turns choosing a square to aim at on the enemy grid. A miss leaves a dot, a hit lights up the water, and when a ship goes down the squares around it are marked for you, because nothing else can stand there. The first player to sink the whole enemy fleet wins.

There are three ways to play. Against the computer, which searches in a checkerboard pattern and, after a hit, finishes the ship along its line, so it is wise to avoid obvious shapes. With a friend on one phone or computer, placing fleets in turn and passing the device. Or online by link: send the link, the server keeps track of whose turn it is, and the battle comes back after a page refresh or on another device.

The game counts your shots, remembers your best result and sends the best games to the daily klyo leaderboard. You play by touch, mouse or keyboard, and Esc pauses. The board fits a phone, a tablet and a large monitor, and the light or dark look follows your system settings. A battle usually takes five to ten minutes, which makes it a good choice for a short break or an evening with someone next to you.

Do I need to install anything

No. Sea Battle runs in the same browser tab you are reading now. There is no store download, no account and no e-mail to give. The game is free and stays free.

Your score and progress are saved on your device, not only on our server, so you see your record when you come back.

Questions about Sea Battle

Is Sea Battle free?

Yes. Sea Battle is completely free: no in-game payments, no premium account and no trial that runs out.

Does Sea Battle work on a phone?

Yes, in the browser on phones and tablets. Controls: Tap a square on the enemy grid to fire. On a computer: Click a square with the mouse, Esc pauses.

How long is a round of Sea Battle?

Usually 5–10 minutes. The game keeps your best score on your device, so you can come back any time.

Do I have to download Sea Battle?

No. The game opens from a link in this tab, on a phone or a computer.

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