Strata Source

Strata Source started development in mid-2020 as a fork of CSGO's engine branch with Portal 2 features ported over. Since its inception, many features, fixes and other improvements have been made to Strata Source, including:

  • Clustered renderer with support for performant real-time lighting

  • Native DirectX 11 support for Windows

  • DirectX 11 support via DXVK-native for Linux

  • Panorama UI

  • 64-bit support (32-bit support has been completely dropped)

  • Expanded map limits (128k x 128k x 128k) and increased entity cap via BSPv25

  • PBR shading

  • Parallax-corrected cubemaps

  • CSM (Originally from CSGO)

  • Backwards compatibility with BSP v19-21

  • Backwards compatibiltiy with TF2/HL2/L4D1/ASW branch models

  • webm video support, replacing older Bink videos

  • Many improvements to Linux support

  • Fully cross platform engine tools and utils

  • Steam Audio for HRTF and basic occlusion

  • MP3, OGG and FLAC support

  • Support for Portals and paint even in non-Portal based mods

  • VTF v7.6 with support for BC6H, BC7 and lossless auxiliary compression using ZSTD or DEFLATE.

  • Many improvements to the Hammer level editor

  • Many code quality improvements (Refactors, cleanup and C++23)

  • Sentry crash report integration

  • ImGui support in-game for tools (vprof, fogui, etc.)

  • And much much more!

Projects Using Strata

Right now, the following games are using Strata: