# Touhou 11: a C++ and WebAssembly reconstruction of Subterranean Animism

> th11 reconstructs the Japanese 1.00a release of Touhou 11: Subterranean Animism in named C++ and runs it in browsers through WebAssembly, SDL3, and WebGL2. Its documentation reports comparing gameplay state and original replays across fixed samples; players assemble a runnable package locally from game files they may use.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Ritosa2333/th11>
- Primary source: <https://github.com/Ritosa2333/th11/blob/8255f484d0c1cff0ef9af9f19bb159328adda69f/th11_web/README.md>
- Catalog page: <https://awesomerea.org/resources/touhou-11-web-reimplementation-case/>
- Record JSON: <https://awesomerea.org/resources/touhou-11-web-reimplementation-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/touhou-11-web-reimplementation-case/index.md)

## Requirements & limits

- **Prerequisites:** A runnable package must be assembled locally from game files the user may use.
- **Limits:** The author reports browser and replay checks on fixed samples; mobile device experience requires separate testing.
- **License:** Licensing is component-specific; LICENSE-launcher.txt contains GPL-3.0 terms for the launcher.

## Primary sources

1. <https://github.com/Ritosa2333/th11/blob/8255f484d0c1cff0ef9af9f19bb159328adda69f/th11_web/README.md>
2. <https://github.com/Ritosa2333/th11/blob/8255f484d0c1cff0ef9af9f19bb159328adda69f/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.