# Tenchu 1: a PlayStation decompilation of Shinobi Gaisen

> The Tenchu 1 project reconstructs code for the PlayStation game Shinobi Gaisen through a split, C compilation and reassembly pipeline. Its documentation reports 175 exact C functions recovered for the ending executable and describes per-function matching work across the game's executables.

- 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/Fuuzetsu/tenchu-decomp>
- Primary source: <https://github.com/Fuuzetsu/tenchu-decomp/blob/78c1d9725eb5bd7da87b974ab87a3395f36619d8/docs/README.md>
- Catalog page: <https://awesomerea.org/resources/tenchu-shinobi-gaisen-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/tenchu-shinobi-gaisen-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/tenchu-shinobi-gaisen-decomp-case/index.md)

## Requirements & limits

- **Prerequisites:** A local copy of the Tenchu game disk is required for the original inputs.
- **Prerequisites:** The build uses the documented PlayStation compiler, assembler and project toolchain.
- **Attribution:** The author says most current content was generated by AI agents.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/Fuuzetsu/tenchu-decomp/blob/78c1d9725eb5bd7da87b974ab87a3395f36619d8/docs/README.md>
2. <https://github.com/Fuuzetsu/tenchu-decomp/blob/78c1d9725eb5bd7da87b974ab87a3395f36619d8/README.md>
3. <https://github.com/Fuuzetsu/tenchu-decomp/blob/78c1d9725eb5bd7da87b974ab87a3395f36619d8/disks/README.md>

## More in Games

- [Tetris Plus: an early Game Boy disassembly](https://awesomerea.org/resources/tetris-plus-game-boy-disassembly-case/index.md) · Case study
- [Tetris: an annotated Game Boy disassembly](https://awesomerea.org/resources/game-boy-tetris-disassembly-case/index.md) · Case study
- [Tetris: byte-matching Game Boy disassembly](https://awesomerea.org/resources/tetris-gb-disassembly/index.md) · Case study
- [tgm2p-decomp: matching The Grand Master 2 Plus SH-2 code](https://awesomerea.org/resources/tgm2p-decomp-case/index.md) · Case study
- [TH04: rebuilding Lotus Land Story’s four PC-98 programs from source](https://awesomerea.org/resources/th04-reconstruction-case/index.md) · Case study
- [TH05: reconstructing Touhou 5's PC-98 programs](https://awesomerea.org/resources/th05-reconstruction-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.