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World of Sea Battle

Thera Interactive

Set sail in World of Sea Battle, an action-packed open-world MMO in the Golden Age of Sail! Command historic ships, battle in PvP & PvE, shape the economy, and engage in territorial guild wars in your quest for glory across the high seas!

ActionMassively MultiplayerRPGFree To PlayEarly Access

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World of Sea Battle is an action-packed, open-world MMO set in the Golden Age of Sail. With dozens of historical sailing ships, pirates, PvP & PvE, player-driven economy, and territorial guild wars, this historical naval experience will put you at the helm as you sail, fight, upgrade, and trade alongside other players in search of glory on the high seas!

Welcome aboard! You are but one of many captains on the high seas. Trade, loot, explore, and wage war as you fight for control, glory, and riches! Will you fade as a nameless wreck or rise as a legend feared by foes and honored by allies?

From a modest schooner to a gigantic man o’ war and beyond, you’re at the helm of your fine journey, Captain. Featuring over 50 upgradable and customizable historical ships from the Golden Age of Sail - schooners, galleons, brigantines, frigates, and so much more - the Archipelago rarely sees the same ships wandering the deep.

Sail ho! Enemy ship on the horizon! Man your ship and show off the menacing captain that you are by engaging in epic PvE or PvP Naval Battles! Use round shots, heated shots, chain shots, and many more to beat the odds and become a feared ruler of the seas!

Set sail into the unknown as you push past the edges of the map into the Endless Sea - uncharted, untamed, and full of mystery. Amass enough gold, and you can claim your own private island - an outpost of power where fleets are mended and riches flow in from distant mines and workshops.

Gold fuels everything - and how you earn it is up to you. Raid merchant ships for loot, build trade empires through production chains, transport rare goods between regions, or fish the seas for profit. Whether through battle or business, fortune favors the bold.

While sailing solo has its pros, it can be incredibly risky. Team up with friends or form a crew and rule the seas. For larger battles and deeper strategy, join a guild and dive into port wars, politics, and the race for dominance across the Archipelago!

Community Activity

  1. World of Sea BattleSteam announcement

    Meet Al-Fatih

    Captains, meet Al-Fatih — a new heavy galleass of the Khanfar Caliphate. At first glance, it looks like a wealthy merchant ship and a tempting prize for pirates. But that's…

  2. World of Sea BattleSteam announcement

    Halloween Event Returns to the Archipelago!

    Halloween Returns to the Archipelago Captains, the gloomiest time of the year is drawing near—and with it, Halloween returns to World of Sea Battle! From October 24 to November…

  3. World of Sea BattleSteam patch notes

    Hotfix #1

    Captains! Hotfix #1 is now live! We've made adjustments to weapon balance, improved the tutorial, fixed several bugs, and made further improvements to the game's interface.…

  4. World of Sea BattleSteam announcement

    The Endless Sea

    The Endless Sea: why it isn't in B21, and what's coming soon Captains! Our 2026 roadmap promised an expansion of the Endless Sea in B21, but we couldn't deliver it in time. We…

  5. World of Sea BattleSteam announcement

    Update B21 is out now!

    World of Sea Battle: Update B21 Captains! Update B21 is here! In this update, we've reworked the shipyard and the ship progression system, and added Elite status, new ships and…

  6. World of Sea BattleSteam announcement

    B21: New Shipyard Structure

    Captains! Update B21 arrives on October 15th. It will bring one of the most noticeable changes to the World of Sea Battle shipyard in a long while. We've completely reworked how…

  7. World of Sea BattleSteam announcement

    B21: Wind Rose

    The wind rose: what's changed and what's next Captains! Let's talk about one of the most-discussed mechanics in the game: the wind rose. In this article, we'll explain why the…

  8. World of Sea BattleSteam announcement

    San Leandro

    Captains, meet the San Leandro - a new 3rd Rate ship of the line for the Español faction, coming in Update B21! In our new video, we tell the story of the San Leandro and…

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