# Touhou 11: instruction-level C++ reconstruction

> Reconstructs Touhou 11 v1.00a in C++ and compares rebuilt code with the original using objdiff and reccmp. The author reports 360 of 1,094 functions strictly matched; a browser-port layer is present but its stated development gate remains pending.

- 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/AgentMystia/th11>
- Primary source: <https://github.com/AgentMystia/th11/blob/9a8dc88ec6ad124e677a231f48466d082dbab02a/README.md>
- Catalog page: <https://awesomerea.org/resources/touhou-11-reconstruction-case/>
- Record JSON: <https://awesomerea.org/resources/touhou-11-reconstruction-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/touhou-11-reconstruction-case/index.md)

## Requirements & limits

- **Prerequisites:** User-supplied original game, data archives, and proprietary compiler and SDK components.
- **Prerequisites:** A container environment for VC9 compilation under Wine and comparison tools.
- **Limits:** The author reports 360 of 1,094 functions strictly matched; the browser port is parked.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/AgentMystia/th11/blob/9a8dc88ec6ad124e677a231f48466d082dbab02a/README.md>

## More in Games

- [Touhou 6: reconstructing Embodiment of Scarlet Devil 1.02h source](https://awesomerea.org/resources/th06-decomp-case/index.md) · Case study
- [Touhou 7: reconstructing Perfect Cherry Blossom 1.00b source](https://awesomerea.org/resources/th07-decomp-case/index.md) · Case study
- [Touhou 8: an independent matching decompilation of Imperishable Night](https://awesomerea.org/resources/cirno-labs-th08-case/index.md) · Case study
- [Touhou Eiyashou: matching-source reconstruction of version 1.00d](https://awesomerea.org/resources/gensokyoclub-th08-case/index.md) · Case study
- [Tourist Trophy: matching decompilation of the PS2 CORE.TT executable](https://awesomerea.org/resources/tourist-trophy-decomp-case/index.md) · Case study
- [Toy Story 2: a PC game decompilation with reccmp comparisons](https://awesomerea.org/resources/toy-story-2-pc-decomp-case/index.md) · Case study

## 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.