东方希莲船 ~ Ultimate Fatal Octopus
- Source
- Steam
- App ID
- 2628190
- Developer
- SlimeSmile
- Released
- April 30, 2024
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.