Which Sea Is This? is a local co-op sea adventure where a group of players controls a single ship together, navigating a vast and confusing ocean while trading, exploring, and occasionally turning to piracy. There is no clear map, no guaranteed direction, and no certainty that the sea you are in is the one you think it is.At its core, the game is about shared control and cooperation. Every player has a role to play on the same ship, and success depends on communication, coordination, and sometimes heated disagreement. Steering the ship, spotting landmarks, operating tools, or reacting to unexpected dangers all happen simultaneously, often leading to chaotic but memorable