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):
Essential for reducing the number of shots required to kill high-tier zombies. Attack Range (Improved Vision):
Crucial for engaging Harpies and Spitters safely. A range of 6.5+ cells is recommended to aggro Harpies at their maximum range. Attack Speed (Dexterity):
Significantly increases her overall DPS, allowing for faster room clearing during tactical missions. Secondary Focus (Utility): Movement Speed:
While she is naturally fast, adding a small amount of speed can make kiting easier. Reload Speed (Quick Reflexes): they are billions calliope build
Often considered lower priority than raw attack speed, though some players find a 40% boost helpful for reducing retargeting animations. Steam Community Key Upgrades Table Calliope's upgrade tree provides tiered bonuses: They Are Billions Wiki Attack Damage Aim I (+30%) Aim II (+30%) Aim III (+40%) Aim IV (+50%) Attack Range Vision I (+1) Vision II (+1) Vision III (+1) Attack Speed Dexterity I (+20%) Dexterity II (+20%) Dexterity III (+25%) Survivability Strength I (Life +30%) Protection I (Armor +15%) Strength IV (Life +50%) Tactical Mission Tips Harpie Counters:
for Harpie groups; they do not cause friendly fire to the hero. Animation Canceling:
To increase fire rate, manually target a new zombie immediately after a shot fires to skip the remainder of the reload animation.
perks reduce attack noise, which can prevent accidental "swarming" in dense areas. Survivability: Between Life and Armor upgrades, They Are Billions is the agile, high-speed hero
is generally more impactful for Calliope due to her limited total perk points. Steam Community for Calliope's technical upgrades?
They Are Billions , is the "fast and agile" hero choice for tactical missions, serving as a high-speed alternative to the heavy-hitting but slow Caelus. Calliope Build Review & Key Stats
Calliope excels at kiting—the practice of moving and firing to stay out of reach of enemies—which makes her superior for clearing large, open areas where movement is critical.
Weaponry: She uses "The Devil’s Sisters," dual pistols that have a high fire rate and fast reload but suffer from low base damage and short range. After Calliope Arrives
Pros: Her high movement speed allows her to outrun almost anything on the map and complete tedious search-and-find objectives faster.
Cons: She is extremely fragile. Without the right upgrades, she can be two-shotted by Harpies in later hero missions. Recommended Optimal Build Strategy
Reviewers from the Steam Community and Reddit generally agree that a "Glass Cannon" damage and range build is the most effective.
Calliope's They Are Billions campaign build prioritizes damage, attack speed, and range upgrades to transform her into a high-DPS "machine gun" capable of effective kiting. The strategy focuses on achieving damage thresholds to kill Harpies in four shots, leveraging high mobility to navigate tactical missions, and utilizing grenades for crowd control. For a detailed breakdown of Calliope's build, visit the They Are Billions Wiki Steam Community
Is calliope just superior :: They Are Billions General Discussions
Calliope is often considered the "Gold Standard" map for learning the game. It has a large central chasm (the "pit") that acts as a natural funnel for zombies, but it requires strict discipline regarding expansion and energy management.