Uncharted Waters IV HD Version is an ocean adventure simulation RPG set in 16th-century Europe during the Age of Discovery. Players take the role of an adventurer, merchant, or soldier, shaping their journey through different approaches to life at sea. Its historical setting frames a broad exploration of a world shared with many other characters.
The central ambition is to become ruler of each of the world’s seven sea areas and find the secret treasure Hasha no Akashi. Those goals tie regional power to treasure hunting: players search ruins scattered across the world, decipher treasure maps, and dig up hidden riches. The game presents these activities as part of a larger voyage rather than a single, narrowly defined pursuit.
Events involving people who inhabit the same world add dramatic turns to the adventure, while the choice among adventurer, merchant, and soldier gives the premise a distinctive role-playing emphasis. This HD version brings the popular Uncharted Waters IV into high definition, retaining its focus on exploration, competing ambitions, and the mystery of a treasure hidden deep within one of the sea areas.