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In the apocalyptic wasteland, human beings are defenseless. How can they use the power of knowledge to fight their way back to the top of the food chain step by step? At the end of the 21st century, a strange virus swept the world, targeting only humans. In just a few months, civilization collapsed. Competing species rule the land. Humans are no longer at the top of the food chain. What's even more frightening is that their memories are fading - if civilization is not rebuilt before knowledge is completely forgotten, mankind will forever become history. Why was the old world destroyed? Who is the mastermind behind this purge? No system, no zombies, no hoarding, no holy mother, hard-core survival logic