They Are Billions Calliope Build May 2026

They Are Billions is the agile, high-speed hero optimized for kiting and rapid map clearing. Unlike the slow, heavy-hitting Caelus, Calliope relies on "glass cannon" builds that prioritize killing dangerous enemies like Harpies before they can close the distance. Core Build Strategy The most effective Calliope build focuses on Damage, Range, and Attack Speed to maximize her kiting potential. Steam Community Primary Focus (Offense): Attack Damage (Aim):

Key Components of a Successful Calliope Build they are billions calliope build

7. Upgrades Priority

  1. Infantry range and damage.
  2. Ballistics/Artillery accuracy and damage (Calliope-specific).
  3. Armor for support infantry and Calliope structural HP if applicable.
  4. Resource yield improvements (sawmill/quarry upgrades) to sustain unit costs.
  5. Repair speed and tower damage if available.

Additional Resources

, making her a preferred choice for players who value speed and micro-management over raw tanking. Core Attributes & Role They Are Billions is the agile, high-speed hero

  1. Shocking Towers: You need 2-3 per choke to slow the horde.
  2. The Rail Collider: Place your 5 Calliopes in a semi-circle around the Shocking Tower. The tower stuns the horde. The Calliopes pierce the stunned horde. This is the most efficient DPS in the game.
  3. Emergency Protocol: Keep 5 Calliopes in reserve in your Command Center. The final wave will break a wall. When they do, zoom out, find the hole, and shift-queue those 5 Calliopes to run a "train" loop—shoot, run back, shoot, run back. They will survive infinitely against slow zombies.

10. Common Failure Modes & Fixes