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A Touhou Project fan-made STG, also a collab game with Vtuber Syrena. Some day a random suspicious pink UFO showed up in Gensokyo. This must be an incident! As a result, Reimu and Marisa went on a journey to solve the incident.
Also known as: 东方希莲船
April 30, 2024
Ultimate Fatal Octopus was released on April 30, 2024.
Ultimate Fatal Octopus is available on PC (Microsoft Windows).
No — Ultimate Fatal Octopus is a single-player game.
Ultimate Fatal Octopus was developed by SlimeSmile.