The final wave (Day 80/100) is where Calliope transforms from a support hero into the . The final swarm consists of 10,000+ units that crash against your walls like water. Standard defenses fail because Executors cannot kill them fast enough to prevent wall breaches.
Focus entirely on her Movement Speed . Your goal is to loot the map as fast as possible to feed your Colony’s tech tree.
In campaign missions with ruins (buildings), hide Calliope inside a destroyed doorway. The pathfinding in They Are Billions will make zombies crowd the single tile entrance. Place Calliope 2 tiles back. She will shoot through the doorway, piercing the entire crowd. they are billions calliope build better
Improving her vision radius prevents you from accidentally pulling multiple rooms of infected at once during dark tactical missions. Crucial Upgrades to Avoid
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The final wave (Day 80/100) is where Calliope
Your primary objective in the first 20 days is to get your economy booming while keeping the perimeter secure.
Because her reload animation is long (even with speed upgrades), standing still is death. By moving after every shot, you force the zombies to walk into her piercing line. This turns a linear horde into a "string of pearls" where every bolt hits 3 enemies. Focus entirely on her Movement Speed
: Calliope’s primary strength is her high fire rate. Investing in attack speed early allows her to "stutter-step" (moving between shots) more effectively, keeping her out of reach of slow-moving infected. The Mobility Edge
To help tailor this strategy, let me know: What are you currently stuck on? What difficulty level are you playing, and which perks have you already unlocked? Share public link
