Credits
ReCarbon is a RetroNative project, one of the organization’s native game ports.
ReCarbon is derived from SpeedBreaker, Copyright (C) 2026 project(u) and SpeedBreaker contributors (GPL-3.0-or-later). Files taken from SpeedBreaker keep its attribution; changes are noted in each file.
Thanks
Section titled “Thanks”- project(u) and the SpeedBreaker contributors, whose port ReCarbon builds on.
- The hedge-dev team, for XenonRecomp and the approach of Unleashed Recompiled that SpeedBreaker follows.
- The Xenia project, for years of Xbox 360 research.
Compiled into ReCarbon
Section titled “Compiled into ReCarbon”| Project | What it does | License |
|---|---|---|
| Unleashed Recompiled (hedge-dev and contributors) | Parts of the kernel, XAM, memory, heap and threading code | GPL-3.0-or-later |
| Xenia (Ben Vanik and contributors) | Xenos GPU headers, the NT status table; the reference throughout | BSD-3-Clause |
| freedreno (Rob Clark) | Shader instruction formats, through Xenia | MIT |
| XenonRecomp (hedge-dev and contributors) | Recompiles the PowerPC code; its XEX loader | MIT |
| libmspack (Stuart Caie) | LZX decompression of the XEX | LGPL-2.1 |
| tiny-AES-c | XEX decryption | Unlicense |
| TinySHA1 (Saurav Mohapatra) | SHA-1 in XenonRecomp’s XEX patcher | ISC-style |
| toml++ (Mark Gillard) | Reads and writes settings.toml |
MIT |
| SIMDe (Evan Nemerson and contributors) | Vector instructions in the recompiled code | MIT |
| Dear ImGui (Omar Cornut) | The installer, the Settings menu and the overlays | MIT |
| stb (Sean Barrett) | Font rasterising and text editing, inside Dear ImGui | MIT |
| Roboto (Google) | The menus’ font | Apache-2.0 |
| o1heap (Pavel Kirienko) | The game’s heap allocator | MIT |
| QR Code generator (Project Nayuki) | The QR code in Check for Updates | MIT |
| AMD FidelityFX Super Resolution 1 | FSR 1 upscaling | MIT |
| FFmpeg 7.1.1 | XMA1, XMA2 and WMA Pro audio decoders | LGPL-2.1-or-later |
In the app
Section titled “In the app”SDL3 (with HIDAPI and yuv2rgb), glslang, SPIRV-Tools, MoltenVK (with SPIRV-Cross and cereal), the Vulkan Loader (with cJSON), Vulkan-Headers and SPIRV-Headers.
The full texts are on the Licenses pages, taken from ReCarbon’s
LICENSES/ folder. Source: ReCarbon’s THIRD_PARTY_NOTICES.md.
Source of the LGPL parts
Section titled “Source of the LGPL parts”FFmpeg and libmspack (LGPL-2.1) are compiled into the ReCarbon executable. ReCarbon distributes
no binaries yet. Whoever distributes a build must also offer the complete source of those parts at
the versions used: FFmpeg 7.1.1 (https://ffmpeg.org/releases/ffmpeg-7.1.1.tar.xz) with ReCarbon’s
patch and build script, and libmspack as XenonRecomp’s pinned submodule has it.
This website
Section titled “This website”Built with Astro and Starlight. Fonts: Chakra Petch, Inter and JetBrains Mono, under the SIL Open Font License, served from this site. The drawings of the keyboard and controller are original.
A RetroNative project.
ReCarbon is an unofficial fan project. It is not affiliated with, endorsed by or sponsored by Electronic Arts Inc. or the Need for Speed brand. Need for Speed and Carbon are trademarks of Electronic Arts Inc. and are used here only to describe the game. No game files are included or distributed: you need your own legally obtained copy of the Xbox 360 disc.