APEX is the content developer's genesis of the features found in the PhysX SDK, with an emphasis on highly-scalable, cross-platform content development.
Features
Key components and integration elements
Modules
Destruction
Making objects destructible
Clothing
Make clothing react to other objects
Vegetation
Include PhysX enhanced SpeedTree vegetation into your game
Expansion Modules
NVIDIA and Partners are developing many other soon to be released Modules