# NW Eft: decompiling the Wii U NintendoWare Eft library

> NW Eft decompiles the NintendoWare for Cafe Eft library found in the Wii U game New Super Mario Bros. U. Its C++ source and headers cover emitters, rendering and related library components. Exact byte matching is outside the project's current priority.

- Type: Case study
- Targets: Binary
- 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/open-ead/NW4F-Eft>
- Primary source: <https://github.com/open-ead/NW4F-Eft/blob/8ea11278c54701c63106bd5f38ecef270d12f3f0/README.md>
- Catalog page: <https://awesomerea.org/resources/nw4f-eft-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/nw4f-eft-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/nw4f-eft-decomp-case/index.md)

## Requirements & limits

- **Scope:** The project targets the Eft library version present in NSMBU.
- **Limits:** Exact matching is not currently a priority.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/open-ead/NW4F-Eft/blob/8ea11278c54701c63106bd5f38ecef270d12f3f0/README.md>

## More in Native binaries

- [libgpu2: reconstructing a PlayStation 2 Graphics Synthesizer model](https://awesomerea.org/resources/libgpu2-reconstruction-case/index.md) · Case study
- [re_nfpii: reimplementing the Wii U amiibo library](https://awesomerea.org/resources/re-nfpii-wii-u-library-case/index.md) · Case study
- [MWCC: reconstructing the GameCube CodeWarrior compiler](https://awesomerea.org/resources/mwcc-decomp-case/index.md) · Case study
- [GA330-libretro: reconstructing the Gemei A330 runtime](https://awesomerea.org/resources/ga330-libretro-case/index.md) · Case study
- [linker_pc: reconstructing the Call of Duty 4 fastfile linker](https://awesomerea.org/resources/call-of-duty-4-linker-pc-case/index.md) · Case study
- [EGG Library: shared-source Wii library decompilation](https://awesomerea.org/resources/egg-wii-library-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.