Secret hideing place
In warhead go to team bravo and go to the corner with some broken bricks (near A site) with a knife and keep on going left and right until u see the screen shakeing and just keep on going up till u go through
Hide in the truck
In missle, there is a truck near an entrance to the missle building. Get on the hood and crouch, then turn left then right while still crouching. Eventualy you will get inside. You can walk around in the truck, and the cool thing is, you can see and shoot out of it, but they cant. Just dont throw grenades and they can shoot your feet. So you should stand behind a wheel. They are the only parts of the truck you can see.
The key to wall glitching
When near a wall with a corner with no debree on it. Go to the corner and then go to a position were you are on the wall were You just see one part of the wall and the corner. Not if you see the other part then you do it rong. Tip: when on the corner go right till u see the wall and the corner. Next, right stab and just sprint. Then keep tryig till you get in.
Grey matter glitch
In snow valley, go to bravo base. Were the stairs (large onces not the ones to go to the top of tower) they should be to the right of the main bravo spawning point. Go back a little till you see a red wall next to the stairs to go up on the tower. It should be next to those barrles coverd in snow. Then go to the other black wall next to the red wall and do the key to wall glitching. Then you can kill all in the tower. Note: go and jump to the bigger section in glitch to have free aim at the uploading spy.
Warhead in container glitch
From werethe spy uploads there is a continer. Do the key to wall glitching and u can kill all but they cant kill u epsept if the super spy shoots a rocket at You.