Crytek have released a trailer to showcase their CryEngine technology.
Check out this trailer for Crytek's Warface, running on the gorgeous CryENGINE 3.
CryEngine 3 - GDC 2012 Tech Trailer
The CryEngine 3 has a tech demo for GDC 2012 highlighting its capabilities.
Ryse Moss Tutorial
This tutorial explains the technique for creating moss, as used in the Ryse video-game.