Transmigrating to Survive in the Cretaceous

Earth has not disappeared, but it has been overlaid with fragments of time from different geological eras. City ruins have been eerily stitched together with Jurassic jungles, Ice Age tundra, and ancient oceans. Dinosaurs, mammoths, saber-toothed cats, giant insects, and other prehistoric beasts have become the greatest threat to humanity’s survival.