The world has change as it becomes a dangerous place to live. If you want to live happily then you need to fight for it. The rich need guns and ammo to protect his properties from the marauders. That is when you come in since you are delivering the ammo. Marauders would come after you in this game and you need to protect the cargoes against them. Each kill would earn you money and you can buy better weapon if you got more money. The game would be even more harder than it is and you would need to buy better weapon and even a new truck.