Dota 2 engine branch (Source)
		
		
		
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November 2025
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The 
 Dota 2 engine branch was the latest branch of the 
 Source but was removed with the Dota 2 Reborn update in 2015, which upgraded the game to 
 Source 2.
Features [confirm]
New since the 
 CS:GO engine branch is:
- Cloth simulation
 - Real-time cloth simulation (i.e. soft-body physics).
 - Global lighting
 - The world is lit and shadowed dynamically with env_global_light (in addition to pre-compiled light).
 - Steamworks integration
 - Building upon community-driven features from Team Fortress 2, players will be able to share strategy guides and coach newer players through Steamworks.
 - MultiBlend Textures
 - 4-way texture blending, upgrading/replacing WorldVertexTransition
 - Screen-space Anti-aliasing
 - Anti-aliasing for use with deferred shading
 - Screen Space Ambient Occlusion
 - Ssao post-process shader
 - Published demo file format
 - Dota 2 Demo Format contains a link and instructions for parsing the Dota 2 demo files
 - Custom Addon Support
 - See the Dota 2 Workshop Tools for more details.
 - Custom Addon Support
 - See the Dota 2 Workshop Tools for more details.