You have to turn on all the teleporters and then the machine will open. It costs 5000 points.
First you have to turn on the electricity then you go in the teleporter. Once you use the teleporter, it will teleport you to a secret room with the pack-a-punch where you can upgrade your weapon. (This is for the zombie map Kino der Untoten)
You upgrade the first machine gun.
The gun in Obama resident evil is on the belt of the zombie in the house. (You should kill the zombie first...)
Not likely. Airsoft guns were designed not to penetrate skin.
you only can upgrade any weapon once
You can't
Ray Gun and Thunder Gun. The upgraded version is Porter's x2 Ray Gun and Zues Cannon. You can upgrade them by using Pack-a-Punch. add ExOtIcXsNiPeZ as a friend on xbox live and he will show you glitches zombie tactics and many more there are new weapons on the new escalation map pack call of the dead one called the vr-11. this gun cures zombies,turns them into humans and they run aroun taking other zombies attention away from you. the other gun is called the scavenger and shoots i think dinamite and it acts like a crossbow but looks like a sniper with red dot sight.
you cant upgrade it twice
Axe it in the face.
kar 98k
you first need to get enough of points to upgrade your gun. It cost 5000 points to get your gun upgraded, to me I try and upgrade my gun as early as I can so I dont have alot of trouble later on. The best guns to be upgraded would be the Ray gun, Thunder gun, Hk21, or the RPK. I hope this would help you get to higher rounds iv only gotten to round 18 but i hope this helps you.
It all depends on the model