Announcement
Fixed some bugs.
Fixed an issue where UFO scores could reset to zero under certain conditions; Fixed a keyboard input logic problem; Fixed unstable leaderboard upload issues.
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东方希莲船 ~ Ultimate Fatal Octopus
Also known as steam:2628190, ufo, ultimate fatal octopus
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.
Last update
16 May 2026
Players now
0
Latest update
Update history
Browse past updates and patch notes for this game.
5 updates
May 2024
- Game version updated to 1.03When practicing spellcards, the midboss BGM will now use the stage theme. Fixed some issues with keyboard config.
- Fixed a bug.Fixed an issue with leaderboard uploads.
- Game version updated to 1.02Addjust the visual effect of Marisa's laser shooting style. Addjust the visual effect of final boss's eighth spell card.
- Game version updated to 1.01Fixed an issue of incorrect resolution when starting the game for the first time on non-16:9 screens. Optimized an issue of potential long-term lag caused by leaderboard validation. Added a new option to the Option menu…
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In-game media
Achievements
Community progression
Top picks from 15 Steam achievements, sorted by player unlock rates.
- 开始迎击外星人首次启动游戏99.6%
- 流星祈愿者无续关通关Easy或以上难度57.5%
- 幻想宇宙乐园达成灵梦线结局50.4%
- 高维攻击在一个飞碟被召唤出来后1.5秒内就将其摧毁43.8%
- 地球一般住民无续关通关Normal或以上难度41.2%
- 9961在Boss的最终符卡Game Over36.6%