......Red and Blue Glasses? I believe its in episode 2 of the Crysis 2 TV series where it mention that it supports all 3d platforms. Also this link mentions Anaglyphic 3D which basically means alll you need is the Red and Blue glasses right?
http://www.crytek.com/news/-crytek-adds-stereoscopic-3d-support-and-tools-to-cryengine-3