Possible in U3D

Name	Possible in U3D
Collaborative Editing	[YES] [SCRIPTABLE]
Scripting at runtime	[YES]
Object manipulation at runtime	[YES] [SCRIPTABLE]
Terrain editing at runtime	[YES] [SCRIPTABLE]
Texture upload at runtime	[YES] [SCRIPTED]
3D model upload at runtime	[YES]
3D model export	[YES]
Scriptable characters	[YES]
Pathfinding and AI	[YES]
HTTPS/SSL and Cookies	[YES] [SCRIPTABLE]
HTML4 on an object	[YES]
HTML5 on an object	[YES]
Road laying tools	[YES] [SCRIPTABLE]
Power line tools	[YES] [SCRIPTABLE]
Wall and fence tools	[YES] [SCRIPTABLE]
Complex 3D shape editing	[YES]
Vehicles and alternate control	[YES] [SCRIPTABLE]
OAR import	[YES]
Appearance customization	[YES]
Chat and IM	[YES] [SCRIPTABLE]
Voice Chat / VoIP	[YES]
Combat and interaction	[YES] [SCRIPTABLE]
Animate 3D model	[YES]
Augmented Reality (AR)	[YES]
Cameras	[YES]
Render-to-texture	[YES] [SCRIPTABLE]
Stereoscopic 3D	[YES] [SCRIPTABLE]
Animated gestures	[YES] [MOCAP]
Skeletal tracking	[YES] [SCRIPTABLE]
Hand tracking	[YES]
Network data reduction	[YES] [SCRIPTABLE]
Server-client networking and/or P2P	[YES] [SCRIPTABLE]
HTML5 Export	[YES]
Soft body physics and deformation	[YES]
Physically based rendering	[YES]
e-Commerce	[YES] [TIME-COSTLY]
Game console export	[YES]