ポートピア連続殺人事件

In the game, the player must resolve a murder mystery by searching for clues, exploring different areas, interacting with characters, and solving item-based puzzles. The game features first-person graphics, nonlinear gameplay, an open world, conversations with non-player characters, branching dialogue choices, suspect interrogations, nonlinear storytelling, and plot twists. The Famicom version also features a command menu system, point-and-click interface, and 3D dungeon maze. Upon its release, The Portopia Serial Murder Incident was well received in Japan. It became an influential title and helped define the visual novel genre.