Lost Seas
The Caribbean, 1640

Your story begins at sea.

Lost Seas is a free browser game set in 1640. Start as a simple pirate, then earn your reputation, build a crew, command ships, and make your fortune across the open seas.

Four rival nations

Explore 16 ports across England, France, Spain, and Holland.

Ships & crew

Build your fleet, recruit sailors, and take on ships at sea.

Make your name

Earn new titles, grow your wealth, and rise through the ranks.

Free to play

No ads, purchases, email address, or real name required.

Start the adventure

Your Legend Begins Here

Choose who you'll be. It's free to play, and you can begin without sharing an email address.

Age 58FemaleSpain

A striped turban in red and gold wraps grey-streaked curls, and a red scarf is knotted at her neck. Behind her a stone archway frames a sunlit fort and a waiting galleon. Shrewd and proud, she has run the port's warehouses for decades and knows exactly what every crate is worth.

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Back aboard

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The world beyond the horizon

A new life on the open seas

Sail between towns, hunt for treasure, trade, and take on rival ships. England, France, Spain, and Holland each hold four ports to discover, with their own atmosphere and imagery.

Four nations

Explore the ports and waters claimed by England, France, Spain, and Holland.

Build your name

Earn better titles, grow your crew, find stronger ships, and build your fortune.

Made to explore

Discover AI-created scenes, royalty-free music, and sound effects that shift as your voyage unfolds.

New to Lost Seas?

Get your bearings with the Player Guide

Learn the ropes of sailing, supplies, ships, crew, and life in the Caribbean.

Open the guide

A glimpse of the voyage

Screenshots