The Calliope is a powerful defensive structure in They Are Billions, capable of decimating hordes of zombies with its high damage output. However, building an effective Calliope defense requires careful planning and strategy. Here are some tips to help you build a better Calliope:
Standard meta says you need Ballistas by Day 15 to hold medium chokes. With Calliope, you can delay Ballistas until Day 25.
Do not delay the barracks. If you have stone access, build it early to start producing snipers or soldiers to clear surrounding areas.
In the unforgiving, steampunk-infused world of They Are Billions , where swarms of the infected can number in the thousands and a single oversight leads to total colony collapse, survival is not merely about building walls and towers. It is about efficiency, timing, and the ruthless optimization of resources. Among the pantheon of early-game defensive structures, the Calliope—a rapid-fire, multi-barreled turret—often remains overshadowed by the reliable Ballista or the late-game shocking towers. However, for players seeking a “better” approach to mid-game expansion and crisis management, a dedicated offers a superior blend of mobile firepower, cost-effective area denial, and psychological resilience. To build better in They Are Billions is to embrace the Calliope not as a niche tool, but as the cornerstone of a proactive, aggressive survival doctrine.
The Calliope mission involves tight space management and navigating early-game runner swarms. 2. Early Game: Building a Solid Foundation they are billions calliope build better
Calliope is a versatile hero designed for map clearing, but she requires careful micromanagement. In campaign missions where she is featured, understanding how to "build better" around her capabilities is crucial.
If you follow this "Build Better" guide, your Calliope at the final mission (The Final Countdown) should look like this:
Use her speed to uncover the map and find resource pick-ups faster than any other unit.
Calliope’s high movement speed makes her the perfect scout. Use her to quickly sweep rooms and corridors for hidden Research Points and Empire Points before engaging the main objectives. Calliope vs. Caelus: Why Choose Calliope? The Calliope is a powerful defensive structure in
In the tactical hero missions of They Are Billions is often viewed as the higher-skill, high-reward alternative to the tanky Caelus. While she possesses superior movement speed and rapid fire, her low base damage and short range make her vulnerable in the late game unless built with extreme precision. To "build better" with Calliope, players must prioritize damage thresholds and range over utility stats like reload speed or health, transforming her from a vulnerable kiter into a lethal skirmisher. The Core Priority: Reaching Lethal Thresholds
You are often forced into a tight starting area with limited green space, making farming difficult.
This is how you – leveraging her passive to skip early defense towers and funnel resources into a Workshop and Stone Tech.
This build focuses on Calliope's role as a fast-response scout and hit-and-run specialist. With Calliope, you can delay Ballistas until Day 25
Before we dive into the build strategies, let's take a closer look at Calliope's abilities and strengths. As a hero, Calliope excels at dealing damage and providing support to her allies. Her primary ability is her , which allows her to fire a chain of explosives that deal massive damage to enemies within a small radius. Additionally, Calliope's Howitzer ability provides area-of-effect damage and can be used to clear clusters of enemies.
Calliope’s native short range is her greatest weakness, as it forces her closer to "Village of Doom" spawns and high-priority targets.
Calliope should always be faster than the "Executive" infected. If she can outrun them, she can clear entire maps solo. Tier 2: Combat Efficiency