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Touhou Gouyoku Ibun

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Touhou Gouyoku Ibun
Touhou Gouyoku Ibun cover
Twilight Frontier
Twilight Frontier
Steam SUNFISH Co., Ltd.
Release dates
Windows October 24, 2021
Microtransactions None
Modes Singleplayer
Pacing Real-time
Perspectives Side view
Controls Direct control
Genres Action
Art styles Anime
Themes Fantasy
Series Touhou Project
Touhou Gouyoku Ibun guide on StrategyWiki
Touhou Gouyoku Ibun on Wikipedia
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This game is not playable in English (see Localizations for supported languages).

Touhou Gouyoku Ibun 〜 Sunken Fossil World (東方剛欲異聞 ~ 水没した沈愁地獄) is a singleplayer side view action game in the Touhou Project series of games. It is the 17.5th official game in the series. [1]

The game was released on October 24, 2021 during the event of 8th Hakurei Jinjya Autumn Reitaisai with limited physical copies that also includes with Steam code available. It was also released on Steam on October 29, 2021.

General information

Touhou wiki article for Sunken Fossil World
Official game website (Japanese)


Source DRM Notes Keys OS
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Game comes with optional Steam keys on first release
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Game data

Configuration file(s) location

System Location
Windows <path-to-game>\system.dat[Note 1]
Steam Play (Linux) <SteamLibrary-folder>/steamapps/compatdata/1440500/pfx/[Note 2]

Save game data location

System Location
Windows <path-to-game>\save.dat[Note 1]
Steam Play (Linux) <SteamLibrary-folder>/steamapps/compatdata/1440500/pfx/[Note 2]

Save game cloud syncing

System Native Notes
Steam Cloud




Audio feature State Notes
Separate volume controls
Separate toggles for music and sound effect volume.
Surround sound
All dialog is text-based.
Closed captions
Mute on focus lost
Royalty free audio


Language UI Audio Sub Notes

Other information


Technical specs Supported Notes
Direct3D 11
Executable 32-bit 64-bit Notes


No middleware information; you can edit this page to add it.

System requirements

Operating system (OS) 8.x, 10
Processor (CPU) Multi-core 2.2 GHz
System memory (RAM) 2 GB
Hard disk drive (HDD) 100 MB
Video card (GPU) 1280 * 720 resolution compatible
DirectX 11 compatible
Shader model 4.0 support
Sound (audio device) XAudio compatible
Controller Keyboard, XInput compatible gamepad


  1. 1.0 1.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).
  2. 2.0 2.1 Notes regarding Steam Play (Linux) data:


  1. Sunken Fossil World on Touhou Wiki - last accessed on 2023-12-29