Sea Battle
Play Sea Battle online, the classic battleship duel from Playnesta. Place your five-ship fleet on the 10x10 grid and sink the computer's fleet first — free in your browser, no download.
Play Sea Battle
Pick each ship from the roster, click your waters to place it (Rotate Ship toggles orientation), then press Start Game. Click enemy cells to fire — you shoot, then the probability-targeting computer answers. Red is a hit, white a miss, dark a sunk ship. Sink all five (carrier 5, battleship 4, destroyer 3, submarine 3, patrol boat 2) to win. Press Restart Game for an instant fresh battle.
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Objective: Sink all five enemy ships on the 10x10 grid before the computer sinks your fleet. Controls: Click roster ships then your grid cells to place (Rotate Ship toggles orientation); click enemy cells to fire — taps work the same on touch screens; all buttons are 44px tap targets.
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Source and license
Based on battleboat by Bill Mei and contributors. https://github.com/billmei/battleboat · MIT
Game facts
- Developer
- Playnesta Games
- Publisher
- Playnesta Games
- Genre
- Board, Strategy
Playnesta guides
More games to play
More free browser games on Playnesta — pick your next round.
Last verified 2026-09-03 12:00 UTC. Information can change; follow the linked source for the latest details.