They Are Billions Calliope Build =link= May 2026

Paper: "They Are Billions — Calliope Build"

Abstract

This paper describes a focused "Calliope" build strategy for the real-time strategy survival game They Are Billions. It defines goals, core mechanics leveraged, build order, unit composition, economic and defensive planning, upgrade priorities, and situational adaptations. The aim is a repeatable, efficient mid-to-late-game build that maximizes map control and survivability while keeping micro demands moderate.

2. Key Stats & Abilities

| Attribute | Value | |-----------|-------| | Cost | 500 gold, 2 oil (late campaign) | | Damage | High (explosive AoE) | | Attack speed | Slow but powerful | | Special | Explosive shots (damage multiple enemies) | | Weakness | Cannot target flying enemies | they are billions calliope build

Can speed-run tactical missions and save significant real-world time. Low Damage: Struggles against massive hordes without heavy kiting. Excellent Kiting: Paper: "They Are Billions — Calliope Build" Abstract

Reviewers from the Steam Community and Reddit generally agree that a "Glass Cannon" damage and range build is the most effective. Excellent Kiting: Reviewers from the Steam Community and

Harpy Management: Calliope has elevation changes. Harpies can sometimes fly over low obstacles or aggro from far away.

Health/Armor: Generally considered secondary. If forced to choose, Life/Health is mathematically more efficient than Armor for her limited pool.