A few glitches
I don't know if these will work at any other time than in online-ranked matches.
1. On the level 'Killhouse', when you go up to the roof, crouch at the top of the stairs and walk down them sideways (hugging the wall) untill you can see through the very top of the wall-where it meets the floor of the roof-now you can see the other base's roof and shoot them while they can only see the very top of your head.
2. On the level 'LVU Campus', go to the roof and have a teammate crouch between the AC thing, to your left after you get to the roof, and the wall. While he's there, you take cover on the side of AC that is facing the wall which the doors are on, look up-as if you are about to shoot someone-and as soon as you do let go of the left trigger and you should be on top of the AC. Now walk over your partner onto the wall. You are now able to run around and snipe peole. (you can still die up there, though).
Added by: sum1u mite not no Jul 7th 2007, ID#1340