SRB2 Kart Public is a kart racing mod based on the 3D Sonic the Hedgehog fan game.
RingRacers
Ring Racers is a kart racing game based on the 3D Sonic franchise, with development notes in its repository.

About RingRacers
Dr. Robotnik's Ring Racers is a kart racing video game originally based on the Sonic fangame Sonic Robo Blast 2, itself based on a modified version of Doom Legacy. Its source code is available under the GNU General Public License version 2.0 or higher.
The repository contains the source and instructions for building with a C++ toolchain, CMake, vcpkg, and ninja on Linux, Windows, and macOS. The GitHub repository is a mirror of the primary repository on GitLab, and the project states it is unaffiliated fan art with no claim to SEGA intellectual property.
Key features
- Kart racing game code based on Sonic Robo Blast 2
- Source code licensed under GPL-2.0 or higher
- CMake presets for debug, develop, and release builds
- Build support for Linux, Windows, and macOS systems
- Community contributions accepted under GPL-2.0 or public domain
- Source code available under GPL-2.0 or higher
- Provides CMake presets and build instructions for Linux, Windows, and macOS
- Welcomes external community contributions
- Building requires C++ toolchain, CMake, vcpkg, ninja, and system libraries
- GitHub is a mirror; pull requests there may not be seen
RingRacers at a glance
- Category
- Gaming › Mods & Fan Projects
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, macOS, Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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RingRacers FAQ
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