Apocalypse is Not the End—It's Your Beginning. Become the supreme leader of a civilization in an apocalyptic world ravaged by extreme weather. Guide your people through an eternal cycle of destruction and rebirth, fighting to preserve the ember of survival. Every collapse fuels the rise of a new era—your choices will forge a legacy across four monumental epochs.

• DEFY A MERCILESS WORLD

Face lethal, unpredictable climates: today’s calm may birth tomorrow’s cataclysm. Balance razor-thin resources between exploration, expansion, and survival. Make critical decisions to endure nature’s fury.

• EVOLVE THROUGH THE CYCLE

Rise from ashes: every fall becomes a stepping stone to rebirth. Lead your civilization across four distinct eras—from primal struggle to cosmic ambition. Rewrite history with each rebirth; your choices shape civilization’s path.

• BUILD YOUR LAST BASTION

Gather resources, expand population, advance technological development. As your civilization progresses, you will continuously expand city scale, meticulously plan urban layouts, adapt to extreme environments, and select capable administrators, pushing boundaries from scorched earth to the planet's core and even orbital colonies. Your cities stand as the final bastions safeguarding the survival of civilization.

• SHAPE YOUR SOCIETY’S FATE

Enact vital policies, choosing between desperate survival and audacious progress. In moments of crisis, make the unthinkable choice—and bear its weight. Whether prioritizing rations or research—your decree is final, etched into civilization’s memory.

• UNCOVER LOST LEGACIES

Explore ruins of fallen societies; salvage their wisdom and warnings. Establish outposts in hostile zones to harness scarce resources. Reach beyond your ravaged world—discover secrets and salvage across the star system.

• YOUR CHOICE HOLDS THE KEY

Will your civilization embrace extinction’s shadow or clutch at rebirth’s hope? Will you cling to the ashes—or grasp the stars? Each cycle, every defining decision, writes your civilization’s ultimate destiny. Find your answer—against all odds.