The Revenant of the Weird Century

Two hundred years ago, humans used nuclear bombs to block the invasion of other worlds. However, the world contaminated by nuclear radiation has made the situation of humans even more difficult. However, after two hundred years of desperate resistance, mankind finally gained a firm foothold. On the low-radiation land, fortresses were built one after another to resist the alien world, and bases were scattered behind to carry reproduction. However, with the degradation of technology and the short-lived lives of people with special abilities, the hope for the continuation of human civilization is still as erratic as a candle in the wind. Where should mankind go from here? Looking around, where is the road?