The files

CryEngine Environment(seoraksan3.cry): http://www.gamefront.com/files/21816738/seoraksan3.cry

Elevator keys:
Facebook: i - to the valley, o - conference room, p - the bridge platform.
Coca-cola: k - to the valley, l - to the entrance

Sketchup models: http://sketchup.google.com/3dwarehouse/details?mid=f2d76a2fa7434d5ca47445325849c628&prevstart=0