Has custom guns that are retextured tools. Includes an Ar15, P90, M16, Beretta, Berreta50c, Spas12, flare gun and a grenade launcher.

ADDED:

2.2:
Alien guns, item textures for ammo

2.53:
Custom rails, cart, more guns and items
Armor
Some block textures
custom portal
some animated items (more coming soon)

2.67:
Custom sounds for guns

This is specifically made for Gatewars.