ENBSeries provides graphics modifications and configuration resources for supported PC games.
SpecialK
SpecialK provides PC game modification tools for customizing supported titles.
About SpecialK
Special K provides PC game modification tools for adjusting graphics, performance, HDR, display mode, audio and input behavior. It includes an FPS limiter with VRR optimization, latency and display analysis, HDR retrofit and screenshots, and overrides for settings such as DLSS, NVIDIA Reflex, display mode and controller input.
It is distributed as a stable build updated about every six months and a more experimental build with newer features and fixes, with the latest experimental builds shared on Discord. It also bundles the SKIF launcher and SKIV image viewer, and includes game-specific tweaks for titles including Elden Ring, NieR: Automata and others.
Key features
- Advanced FPS limiter with automatic VRR optimization for frame pacing
- HDR retrofit for OpenGL, Vulkan, Direct3D 11 and 12 titles
- HDR screenshots in JPEG-XR, JPEG-XL, AVIF or PNG formats
- Override DLSS resolution scale, preset, sharpening and DLL version
- Add or override NVIDIA Reflex in D3D11, D3D12 and Vulkan games
- PlayStation controller emulation for games that support only Xbox input
Best for: PC players who want to adjust graphics, performance, HDR and input behavior in supported games.
Good for
- Covers graphics, latency, HDR, display, audio and input adjustments in one installation
- Provides stable releases alongside more frequently updated experimental builds
- Includes game-specific tweaks for titles such as Elden Ring and NieR: Automata
Watch out for
- Stable version is often dated by a few months
- Latest experimental versions are shared on the Discord server
- SKIV on Linux using Proton does not support JPEG-XR format
SpecialK at a glance
- Website
- special-k.info
- Category
- Gaming › Game Utilities & Launchers
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
SpecialK alternatives
Tools and sites you could use instead, ranked by how closely they match.
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Cancerogeno’s Lab publishes technical guides and project files, including material about NVIDIA GPU overclocking and BIOS modification.
Pick
24 alternatives
Save Game World provides downloadable game saves and guides for restoring progress in supported games.
Download modifications from the Steam Workshop through GGNETWORK’s workshop downloader.
Millennium supports creating and managing Steam client modifications through an open source, low-code framework.
Open source
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SpecialK FAQ
What is the difference between Stable and Experimental versions?
Stable is updated about every six months and can be dated by a few months, while Experimental introduces new features and fixes before they are included in stable.
How do I switch to experimental builds from the stable version?
Launch SKIF.exe, open the Settings tab, change Check for updates to Discord, then install when prompted after the new version downloads automatically.
Where can I get help with Special K?
Join the Discord server for discussions and help related to Special K.
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