Return of the Obra Dinn casts the player as an insurance investigator sent to inspect a merchant ship that has drifted into Falmouth with damaged sails and no visible crew. The vessel had vanished after setting out from London for the Orient, leaving the East India Company to seek an assessment of its losses. That assignment gives the mystery a practical frame: the task is to investigate what happened aboard the ship, not simply to explore an eerie setting.
The game is a first-person mystery adventure built around exploration and logical deduction. Players must find a way aboard the Obra Dinn and examine it as they prepare their report; the premise makes the ship itself the central investigative space. Its minimal-color presentation is another defining part of the design, distinguishing this historical maritime mystery from more conventional, richly colored adventure games without changing its emphasis on reasoning from what the player discovers.
Its documented format is single-player, which places the investigation in an individual player’s hands rather than presenting it as a shared or competitive activity.