get started
BLOCK for your viewers.
Windows zip with Setup for Firestorm, Alchemy, Black Dragon, and other OpenGL Second Life viewers. Linux builds the Vulkan layer from source. Latest public release is on GitHub.
loading version…
Install in four steps
-
Unzip
Extract
Block-*-windows-x64.zipanywhere you like. - Run BlockSetup.exe Windows may warn about an unsigned download — expected for community releases.
- Pick your viewers Check Firestorm, Alchemy, Black Dragon, Cool VL, Singularity, Kokua… or Browse… to a portable folder.
- Shift+B Launch each viewer normally. In-world, open the overlay and load a GShade preset if you have one.
Optional: if GShade is under Program Files\GShade, Setup wires shaders and presets automatically. Without it, you still get the injector and overlay.
Supported viewers (Windows OpenGL)
| Viewer | Status |
|---|---|
| Firestorm | Supported |
| Alchemy | Supported |
| Black Dragon | Supported |
| Cool VL, Singularity, Kokua, Catznip, … | Expected (same injector) |
Full matrix: docs/VIEWERS.md.
Platforms
| OS | What you get |
|---|---|
| Windows 10/11 x64 | This zip — Setup + OpenGL injector |
| Linux | Vulkan layer from source (Meson). CI builds it on PRs. Not an SL OpenGL drop-in yet. |
| macOS | Coming soon — future Metal rebuild of Block, not this zip |
Details: docs/PLATFORMS.md.
Requirements (Windows)
- Windows 10 or 11, x64
- .NET Framework 4.x (included with Windows)
- An OpenGL Second Life viewer
What is not in the zip
The experimental Vulkan layer and Linux binaries stay out of the Windows Setup package on purpose. Build those from source when you need them.
Updates
When a newer version ships, Setup and the overlay can show an update banner that links to GitHub Releases. Channel file: latest.json.