COMMANDER TOOL
HQ Upgrade Calculator
Choose your current HQ level and your target level. Get the total resources, base construction time and every prerequisite building you will need.
Costs and times are current as of October 2026 and match in-game upgrade screens. Costs are base values before any building-cost reduction.
UPGRADE PLAN
HQ 18 → HQ 22
Food—
Metal—
Oil—
Base Time—
Required upgrades