This leads to the creation of scripts by server owners who are able to put these objects to use. However, objects from the game's files including vehicles, character models, weapons, effects, and dynamic audio can be spawned in to the game world at will.
The mod removes the base game's artificial intelligence and story elements, leaving only the island itself.
While JC2 multiplayer is technically a mod, it's less of a modification and more of a face-lift of the entire game.