Borderlands has seventeen million weapons, so it's hard to tell.
There are, however, 17 general types of Eridian (Alien) weapons in the game:
Eridian Cannon, Eridian Mega Cannon, Eridian Thunder Storm, Eridian Lightning, Eridian Mercurial, Wave, and Ball Blasters, Ereidan Flaregun, Fireball, Firebomb, Eridian Glob, Splat, Spatter Guns, & the Eridian Rifle
-http://borderlands.wikia.com/wiki/Eridian_weapons
Borderlands is a game with infinite possibilities there is no telling what you will find but trust me you will soon get sick of alien guns if you get the secret armory their not that good, and whats stag valley? I think you mean skag gulley.
There are several types of guns on Borderlands 2.Here is a list, Pistols, Sub-machine guns, Shotguns, Assault Rifles, Sniper Rifles ans Rocket Launchers.Each type of weapon has thousands of models, they get better as the game progresses.
billions because they are randomly generated with different stats
u dont
No
Specificly ones compatible after patch 1.30
It's full of guns, gore, violence, murder and swearing.
Borderlands - novel - has 423 pages.
There are vending machines at certain places where you can sell any unwanted loot and buy new weapons.
Yes, all brand paintball guns use a tank or other source of pressure.
just 4
The latest count of the number of guns in Borderlands is 17,750,000. Each has a unique appearance and effect. Gearbox is using a process called procedural generation to create all the guns. In this practice, developers write procedures into code which dictate the generation of content.