Eggslinger

A zombie plague happened and there's a lot of zombies and there's a cure in Mexico but it's 80 kilometers away and you only have a train and you need to refuel the train and you meet him also back to eggslinger and he can make eggs from his head every 2 minutes and inside there could be some friendly zombies, outlaws, werewolf, and even some powerful monsters depending on the size of the egg