The Industrial Era marks a major turning point in your shelter’s growth. With the discovery of S-Class Precision Parts by Ember Corp, survivors now have the opportunity to upgrade buildings and units beyond level 30, entering a powerful Industrial Level stage.
This guide breaks down how the event works and offers smart strategies to maximize your shelter’s efficiency and your army’s combat power.
Day 1 – Survive the Night
Date: March 29
As night fell, we arrived at the camp just in time to reignite the dying torch. With the fire rekindled, warmth and light returned, and for a brief moment, so did hope. That flickering flame marked our first real step toward survival in this harsh world.
Day 2 – Ignite Hope
On this crucial second day, we focused on establishing the most essential foundations of our shelter. The Campfire was upgraded to Level 2, providing better light and morale for our group. We built our first Hunter’s Hut to begin securing a steady food supply, and constructed two Dorms to give survivors a place to rest. The Kitchen was established to cook meals and sustain the team, while the Lumber Mill was raised to Level 2 to supply wood for future construction.
Despite the looming threats, Day 2 was about survival, structure, and setting the groundwork for rebuilding. One of our own didn’t make it — a grim reminder that every day counts.
Day 3 – Urgent Rescue
Date: March 31
The third night brought our first real test — the Zombie Tide. With only 15 minutes to prepare, we scrambled to upgrade the Campfire (Watchtower) to Level 4 before the undead horde arrived. The flickering tower light became our last line of defense, barely holding back the nightmarish wave.
The attack cost us dearly. We lost more survivors, and grief had no time to settle. Even as we mourned, we had to adapt. To bolster our chances of survival, we upgraded the Dorms, Kitchen, and Scrapyard to Level 3, strengthening both infrastructure and resource production.
This was the night we learned what it really meant to fight for survival. The Zombie Tide isn’t just a battle — it’s a wake-up call. From now on, preparation isn’t optional. It’s everything.
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