The Ants: Underground Kingdom Colony Expansion and Research Guide

To expand your nest efficiently in The Ants: Underground Kingdom, make upgrading your Queen chamber your primary goal. Queen level dictates the level caps for every secondary building, determines available unit tiers, and unlocks essential nest expansion options.

Prioritize Queen Level and Tunnel Excavation

Every major upgrade milestone requires specific building prerequisites and a elevated Queen level. If your Queen level stalls, your colony's overall growth, unit power, and resource caps stall with it.

1. Check Queen Upgrade Requirements: Review the prerequisite buildings for the next Queen level and begin upgrading those structures immediately.
2. Clear Debris Early: Command worker ants to dig out subterranean rubble to create empty space for incoming resource nodes and defensive facilities.
3. Pre-fund Higher Level Costs: Queen upgrades grow significantly more expensive at higher levels. Reserve stockpiles before starting long build timers to keep production moving.

Balance the Four Primary Resources

Sustaining your nest requires managing four basic resource types: Leaves, Water, Meat, and Soil. These items feed your workers, fund research, and supply soldier egg hatching.

• Automate Harvesting: Assign dedicated worker ants to internal production nodes to maximize passive resource gain inside the anthill.
• Expand Storage Capacity: Regularly upgrade storage chambers. If storage reaches maximum capacity, nodes stop producing and surplus yields are lost.
• Balance Consumption Rates: Higher-tier soldier ants and continuous facility construction increase resource maintenance. Upgrade production structures proportionally when recruiting larger armies.

Select Research Laboratory Priorities

The research laboratory unlocks vital passive bonuses that streamline base management and strengthen your forces. Focus research efforts based on your immediate colony bottleneck.

Prioritize foundational Development tech early to lower construction times, then transition into Battle research to prepare your march forces for high-tier combat.

Recruit Specialized Soldiers and Nest Defense

Building combat power relies on evolving soldier ant stats alongside facility upgrades. Relying on a single unit class leaves your anthill exposed to specialized counters from hostile nests and rival players.

• Research Base Stats First: Stat improvements researched in the laboratory apply to your entire force regardless of current unit level. Upgrade passive attack, defense, and health stats before investing heavily in mass recruitment.
• Maintain Nest Defenses: Always leave a designated garrison of soldier ants stationed inside your nest. Stationed troops defend your Queen chamber and resource stockpiles from unexpected enemy raids while your primary march units are foraging on the surface.