Doomsday Steel Ark: I'm the Last Engineer on Earth

When a global EMP blast reduces civilization to rubble, I discover I'm the only one who can still operate a train. But this isn't just any locomotive—it's a modular fortress on rails that evolves with every mutant I scavenge. Unlock S-class armor from radiation beasts. Install hydroponic farms, electromagnetic railguns, and water purification systems. Each upgraded carriage multiplies our survival odds by 300%. While desperate survivors cower in basements eating expired rations, I'm building an unstoppable ark through the wasteland. The choice is simple: let radiation storms tear us apart, or…