Mesozoica

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*In the year 2032, strange seismic phenomena begin shaking North America. Gigantic sinkholes—some spanning entire city blocks—start appearing across the continent. These aren’t normal collapses; they’re portals to prehistoric underground biomes sealed off from the surface for millions of years. Scientists dub these realms “Sub-Terra Mesozoica”—vast subterranean ecosystems where dinosaurs and other prehistoric creatures thrived, hidden beneath the Earth’s crust in immense hollow caverns sustained by geothermal energy. As the sinkholes tear open, these creatures are unleashed upon modern America, devastating cities, farmlands, and wilderness alike. Humanity’s technological dominance has been shattered. Survival revolves around scavenging old tech and learning dinosaur behaviors. Paleontology is now a survival science; knowing the traits of dinosaurs can save lives. Cities are half-jungles, half-ruins, with dinosaurs roaming freely amid skyscrapers wrapped in vines. Sinkholes constantly widen, maybe even larger things deep below—perhaps something worse yet to come. Good luck… you’ll need it…*