Sky Writer
Sky writer allows you to render your 3ds Max scene straight into the Source Game Engine as a HDR 2D sky texture (also known as a cubemap).
Displacements
An overview of creating displacements for the Source Game Engine inside 3ds Max using Anvil.
Exporting CAT and Biped Models
Export your CAT or Biped rig from 3ds Max into the Source Game Engine with Wall Worm.
Unknown Bitmap Filetypes Crash VMF Exporter
Do not use bitmap filetypes that Max doesn't know how to read.
Using unknown bitmap types on world geometry and displacements will crash the VMF Exporter. This currently happens if using VTFs in materials in 3ds Max 2013 since there is no VTF plugin yet.
Your 2D Sky and Sky Writer
Overview of setting up a scene in 3ds Max to render out as a 2D sky for your level with Sky Writer.
Source 2 FGD Parser
The FGD parser in Wall Worm supports Counter-Strike 2 to create game entities inside 3ds Max.
Blend Materials and WorldVertexTransition
Instructions on creating a WorldVertexTransition material inside 3ds Max using Blend Materials.