Adjust ZeroTier network interface settings on Windows to help multiplayer games work over local networks.
Open source
24 alternativesSpecial K
Adjust PC game behavior and settings with Special K, a toolkit for various game-related functions.
About Special K
Special K is an open-source toolkit for PC gaming whose repository contains source code for the Special K code injection payload, SpecialK(32|64).dll. It is used to adjust PC game behavior and settings, with functions related to fixing and enhancing graphics, performance analysis and correction mods, and other game-related modifications. Injection can be done locally by renaming the DLL to a proxy or wrapper name such as dxgi, d3d11, d3d9, d3d8, ddraw, dinput8, or OpenGL32, or globally through a Win32 CBT/Shell hookchain, which is the preferred technique and can be bootstrapped via RunDLL_InjectionManager.
Platform and build limits apply. Special K is not supported on anything older than Windows 8.1; as of 23.5.7 it still builds and runs on Windows 7 with Platform Update but with massively reduced features. It runs in WINE and is compatible with DXVK, but must be configured with UsingWINE=true in its per-game INI file for Linux. Late injection prevents some features, particularly D3D overrides and shader/texture mods. The repository requires Visual C++ 2022 or newer to compile; Debug build configuration may not compile correctly. Supporting utilities such as SKIF and the deprecated SKIM are maintained as separate projects, and older plug-ins and SKIM are no longer actively maintained. Pricing is unknown.
Key features
- Injects via a proxy or wrapper DLL renamed to graphics or input DLL names
- Uses Win32 CBT / Shell hooks for global injection, the preferred technique
- Can bootstrap the hook via RunDLL_InjectionManager hosted by rundll32.exe
- Fixes and enhances graphics and provides performance analysis and correction mods
- Supports per-game INI configuration, including UsingWINE=true for Linux compatibility
- Includes build dependencies beginning with version 23.5.7
Best for: PC gamers, modders, and developers working with supported Windows versions or WINE/DXVK who want graphics fixes, performance analysis, or game modifications.
Good for
- Open source under GPL-3.0 license.
- Build dependencies are included when cloning the repo beginning with 23.5.7.
- Runs in WINE and is compatible with DXVK when configured with UsingWINE=true.
Watch out for
- Not supported on anything older than Windows 8.1; Windows 7 builds are massively feature-reduced.
- Late injection prevents some features, particularly D3D overrides and shader/texture mods.
- SKIM and older plug-ins are no longer actively maintained.
Special K at a glance
- Category
- Gaming › Game Utilities & Launchers
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Special K FAQ
What Windows versions does Special K support?
Special K is not supported on anything older than Windows 8.1. As of 23.5.7, it still builds and runs on Windows 7 with Platform Update but with massively reduced features.
How can Special K run on Linux?
It runs in WINE and is compatible with DXVK, but must be configured with UsingWINE=true in its per-game INI file.
What are the limits of late injection?
Late injection prevents some features from working, particularly those related to D3D overrides and shader/texture mods.
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