# Wolfenstein (2009) SP: reconstructing the single-player engine

> Wolfenstein (2009) SP rebuilds single-player engine behavior in C++ on idTech4A++, using game data from the user's PC copy. It implements SP PK4, SPK and MPK readers and native tests for player, MP40, actor and trainyard behavior; research notes record findings from the original executables.

- Type: Case study
- Targets: Binary · Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/CheffCorleOne/wolf2009-sp>
- Primary source: <https://github.com/CheffCorleOne/wolf2009-sp/blob/82324eef6f4cf40dbb35596c7ed08daa27086f6b/README.md>
- Catalog page: <https://awesomerea.org/resources/wolfenstein-2009-sp-case/>
- Record JSON: <https://awesomerea.org/resources/wolfenstein-2009-sp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/wolfenstein-2009-sp-case/index.md)

## Requirements & limits

- **Prerequisites:** A PC copy of Wolfenstein (2009) game data; the repository and APK contain no original archives or binaries.
- **Prerequisites:** Android is the first target; Node.js 22+ is needed for inventory tests.
- **Limits:** Early development: the full campaign and any complete mission remain unsupported.
- **License:** GPL-3.0-or-later license for project code.

## Primary sources

1. <https://github.com/CheffCorleOne/wolf2009-sp/blob/82324eef6f4cf40dbb35596c7ed08daa27086f6b/README.md>
2. <https://github.com/CheffCorleOne/wolf2009-sp/blob/82324eef6f4cf40dbb35596c7ed08daa27086f6b/docs/RESEARCH.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.