Uncharted Waters Online is Koei's sailing MMORPG set in the Age of Exploration, launched in Japan in 2005 as Daikoukai Jidai Online and in North America and Europe in 2010. It is a romanticized take on the era - Columbus and Elizabeth I can share the same harbor - built around trade, exploration and naval combat rather than monsters and dungeons. The Japanese version runs on a monthly subscription and came to PlayStation consoles there; the English version passed from Netmarble to OGPlanet in 2013 and to Papaya Play in 2017, which relaunched it as free to play.

Fan-run Uncharted Waters Online servers are rare, and most players have sailed on the official versions. Anyone looking for a private server is usually after a particular era of the game, different rates for its slow skill grind, or a smaller crew to sail with. This guide covers what makes the game unique and what to check.

Trader, Explorer or Soldier

You sail for one of six nations: England, the Dutch Republic, France, Spain, Portugal or Venice. Your character takes one of three paths - adventurer, merchant or soldier - but nothing is sealed off: you can learn skills from the other paths at a higher experience cost, and under certain conditions change occupation or even nationality. A merchant who can defend a cargo run, or an explorer who trades on the side, is a normal build.

The world is the real one. Merchants buy goods cheap in one port and sell them dear in another, adventurers chase discoveries across the map, and soldiers fight at sea and on land. More than a hundred ships are available, later shipbuilding systems let craftsmen build vessels together, and nations clash in factional warfare and live events such as the Epic Sea Feud. Expansions from La Frontera in 2006 through El Oriente and Gran Atlas added the 17th century, Asian ports, colony founding, map-making and piracy systems.

What to Look For in an Uncharted Waters Online Private Server

Expansion Era

Each expansion widened the map, added ships and changed systems. A fan server sits at one point in that history. Check which expansions are included, which ports and seas exist, and whether the systems you care about, such as shipbuilding or the later piracy and map-making features, are present.

Trade and Economy

For merchants, the economy is the game. Look at how trade prices behave, whether the market is player-driven and how rates affect profit. A server that hands out money too easily removes the satisfaction of a well-planned trade route.

Skill and Rank Rates

Uncharted Waters is known for a long skill grind across adventure, trade and battle. Faster rates make cross-training realistic for players with limited time, but rates so high that every skill is maxed in a week flatten the differences between characters.

Nation Balance and PvP

Factional warfare needs every nation to have players. Ask how the nations are populated and how PvP zones and events are run, especially if you plan to sail as a soldier.

Shop Policy and Population

Check what the shop sells and whether premium items can be earned. Then check how many captains are online at your hours, since fleets, events and trade competition all depend on it.

Getting Started

Choose your nation and starting path with the server's population in mind, and plan which skills you will borrow from the other paths. Start with short trade runs or nearby discoveries to learn the sea before you sail far. If a server earns your time, vote for it. The ranking below lists the Uncharted Waters Online servers players vote for here, and it starts again every month.