Category:Halo 3 Easter eggs
From Halopedia, the Halo wiki
Link titlecortana Cortana on high ground
If you go to the room with the two computers in it, there will be a computer opposite the pipe room. keep staring at the screen which looks like a cctv on the left. If looked at long enough, a picture of cortana will come up on that screen for 1 to 3 seconds.
Pages in category "Halo 3 Easter eggs"
The following 38 pages are in this category, out of 38 total.