Call of Duty Black Ops Secret! How to play the "mini game" ZORK!

READ ME!!!!!!!!!!!!!!
This video shows you what to do after you type in the word "Zork"
So Far i have gotten up to inside the white house and i also when up a canyon....but i dont know what to do!
IF ANYONE CAN BEAT THIS ADVENTURE OR KILL THE GRUE PLEASE LEAVE A VIDEO RESPONSE!!!!...or a comment