The last bastion of humanity has fallen. As the Commander of a final group of survivors, you face a grim new world in the aftermath of doomsday. You hid in an abandoned underground shelter. You must venture into the unknown, reclaim the wasteland, and eradicate the zombie horde. Build your underground stronghold, but remember: survival demands more than walls—it requires expansion, exploration, and relentless combat.​ 【BUILD YOUR SURVIVAL SHELTER】 Your underground fortress is the heart of your resistance. Build and customize every room—from Power Generators and Research Labs to Control Centers. Upgrade your facilities to unlock advanced weapons. Design your layout with tactical strategy, because this isn't just a home, it's a war base that fuels your fight to reclaim the world. 【EXPLORE & COLLECT UNDERGROUND】 The real adventure lies in the darkness. Send elite squads into unexplored tunnels and the desolate wastelands shown on your map. Scavenge for vital resources, uncover los...