Strata Source

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The Strata Source logo

Strata-16px.png Strata Source, formerly known as the "Chaos Engine", is a third-party Source engine branch using licenced code. It is a modified version of the CS:GO engine branch that combines the features of both CS:GO and the Portal 2 engine branch, along with many improvements that bring Source close to modern standards. This engine branch is still in active development.


Feature list from the Strata Source Wiki
New since the Csgo-16px.png CS:GO engine branch:

Native DirectX 11 renderer
Support for DX11 by default
DXVK support on Linux for both DirectX 9 and 11
64-bit support
Supports 64-bit on all platforms; 32-bit support has been dropped
PBR shading
Uses shaders to attempt to more accurately simulate real-world light
Ported Portal2-16px.png Portal 2 engine branch features
Including but not limited to World Portals and Portal gun
Backwards compatibility with BSP v19-20, as well as native BSP v21 support
Backwards compatibiltiy with Src13-16px.png Source 2013 branch models
The model format found in games such as Hl2-16px.pngTf2-16px.pngPortal-16px.pngCss-16px.pngDods-16px.png is now supported.
WEBM video support, replacing older Bink videos
Increased framerate, lower file sizes, and easier to author
Many improvements to Linux support
Fully cross platform engine tools and utils
Steam Audio
Many improvements to the Hammer-16px.png Hammer level editor
Many code quality improvements (Refactors, cleanup and C++20)
Sentry crash report integration


The following titles run on the Strata-16px.png Strata Source branch:

Source code for this branch is not available, however authoring tools exist for each game.

See Also