Zero City: Zombie Shelter Game Command Center Level 1-13 Guide

To progress efficiently through Command Center levels 1 to 13 in Zero City: Zombie Shelter Game, prioritize upgrading your Command Center first to raise building level caps and dweller capacity, followed immediately by your resource production facilities and dweller training rooms.

Command Center Upgrade Priorities

Your Command Center acts as the ceiling for all base growth. Upgrading it increases storage capacity caps, unlocks higher room levels, and expands your maximum squad size. To avoid hitting resource bottlenecks or underpowering your squad, follow this upgrade sequence:

1. Command Center: Upgrade this hub first whenever prerequisite requirements are met to unlock higher building caps and squad expansion slots.
2. Resource Production Rooms: Upgrade Kitchens and Power Stations immediately after the Command Center to ensure your food and electricity output can cover higher room maintenance and training costs.
3. Training Rooms: Upgrade and occupy training facilities continually to raise dweller skill stats to match increasing chapter difficulties.
4. Storage Rooms: Upgrade food and electricity storage units only when your total capacity prevents you from holding the resources needed for your next Command Center upgrade.

Organize your base by grouping resource production rooms on the same floors. Keeping production facilities near one another minimizes dweller travel time between stations and storage units, speeding up resource collection routines.

Survivor Training and Squad Roles

As higher Command Center levels unlock specialized training rooms, transition your survivors from generalists into specific roles:

• Combat Dwellers: Focus training on strength and endurance attributes. Keep combat training rooms continuously occupied so your fighters can wear higher-tier gear and withstand damage in later map chapters.
• Production Dwellers: Assign dwellers to specialized Cooking or Engineering roles to maximize power and food generation inside assigned production rooms.
• Squad Composition: Fill every active combat squad slot provided by Command Center upgrades. Combine front-line tanks with back-line damage dealers, and ensure every slot is filled before entering campaign missions.
• Gear Management: Equip fighters with the highest tier of weapons and armor available for their current dweller level. A fully equipped lower-level dweller provides better mission performance than leaving a squad slot open.

Map Progression and Event Resource Gathering

Use the world map as your main source for crafting materials and dweller experience between levels 1 and 13.

Check the recommended squad power before launching map encounters. If a stage is marked as difficult, pause map progression to train your combat dwellers or craft updated gear using accumulated materials. When map progress slows down, participate in active seasonal events or temporary challenges to obtain high-tier gear and supplemental resources without waiting for standard room timers.