Here are various documents that explain rules for the campaign which depart from the standard Savage Worlds rules.
Weaponry: the list of weaponry encountered in the world weaponry.pdf
Armor: the list of encountered armor armor.pdf
Experience and Bennies: how experience points and bennies will be handed out: experience_and_bennies.pdf
Wounds and Healing: differences in wound totals and healing chances wounds_and_healing.pdf