A free MMORPG about ship travel, which belongs to the Koei Tecmo series of games of the same name, dating back to the 90s. Players set out to explore a huge open world filled with secrets, various settlements and adventures. The main action takes place in the 16th century. During the exploration, gamers will meet historical characters of that time. The game has a trading system, freedom of choice, varied weather conditions and large-scale ship battles.