KKnD2: Krossfire

It's 100 years since nuclear warheads totalled the Earth, 40 years since the militant Survivors crawled from their underground bunkers to struggle against the mutated Evolved for control of the surface. With a victory for either side seeming doubtful, many people from both sides fled the conflict 40 years ago and have spent the time regrouping, licking their wounds, and planning for the next assault.