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:
- Native DirectX 11 renderer 
- Panorama UI 
- DXVK support on Linux for DirectX 11 
- 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 
- 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 lossless DEFLATE compression support 
- 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: