Extrabox is a mod which is based off of the mod Sandbox 1.0, This mod includes new codes, maps, objects, vehicles ect... This is a no weapon based mod though so if you like weapons, sorry no weapons in mod (except a paint ball gun, other than that helps with problems with other players and other things).
I was having fun so I made this, idea by my friends at Rolfbox.
LOL EPIC
Wait, thats the nanjing XD
cool