Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Hard Truck Apocalypse: Rise of Clans - is an addon to a vehicular Action/RPG set in an alternate future. New heroes and mysteries await you in the vistas of a post-apocalyptic North America. Special customization features, new types of weapons, and hi-tech bosses will immerse you even deeper into the ruthless world of Apocalypse, and your extreme driving skills will serve you well in its new multiplayer mode.
INCLUDED IN EX MACHINA GOLD EDITION