The Sinking City is an adventure game that immerses players in a Lovecraftian universe filled with mystery and horror. Set in the half-submerged city of Oakmont, players take on the role of a private investigator tasked with uncovering the dark secrets that plague the city and its inhabitants. The game features a vast open world that can be navigated on foot, by boat, or even in a diving suit, adding layers of exploration to the investigative experience.

The gameplay emphasizes player choice with an open investigation system, allowing for multiple solutions to cases and various endings based on player actions. With an arsenal of 1920s weapons, players can confront nightmarish creatures while managing their character's mental health, a crucial aspect of untangling the madness that envelops Oakmont. Supported in multiple languages, The Sinking City offers a rich, atmospheric experience for fans of horror and adventure.