Here are all the 'official' weapons for GunApp.
Baby Bottle - this weapon is meant to be used on any friend who happens to be acting like a little baby girly man.
Classical Style Derringer
Bald Eagle - brave bold and full of patriotism
Flare Gun - this weapon can be used in the dark to light up a room
Glock 18 automatic pistol
Hairspray + Lighter = Flamethrower
Lightning Gun Wunderwaffe
Marshmallow Gun - has interesting burst mode
Mossberg 500 tactical light
Nuke (Mark-VI Nuclear Bomb )
Hand Gun (Nerd Hand) - has secondary fire
Predator Drone (with FPS as kill cam)
Revolver Smith & Wesson (aka Dirty Harry gun)
Skeet Sport Shooting Shotgun
Spud Gun (has interesting impact effects)
Smith & Wesson 500 (.50 Caliber pistol)
Walther PPK (suppressed - aka James Bond gun)
Boomstick (sawed off shotgun)
M4 Carbine + M203 Grenade Launcher
Shotgun FPS (has interesting burst)
CLICK HERE to get even more weapons!