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News & Guides
They Are Billions Guide: How to Defend Against Massive Hordes
Defending against endless waves of infected in They Are Billions is a thrilling yet challenging task. Whether you're a beginner or a seasoned player, mastering defense strategies is crucial for survival. If you're looking to jump into the action quickly, consider Buy They Are Billions Account to access advanced units and resources right away. Now, let's dive into the essential tactics for holding back the relentless hordes.

Why is defensive positioning the key to success?
Defensive positioning determines whether your colony survives or falls. Properly placed walls, towers, and choke points can turn an overwhelming attack into a manageable defense, allowing your troops to eliminate threats efficiently.
How to choose the right type of troops and technology?
Selecting the best units and researching the right technologies can make or break your defense. Below are the key factors to consider when building your army and upgrading your defenses.
1. Prioritize Snipers for High-Damage Output
Snipers are one of the most effective units in They Are Billions due to their high damage and long-range attacks. A group of 20-30 snipers can decimate entire waves of infected before they reach your walls. Researching sniper technology early ensures you have a reliable defense against both regular zombies and special infected. Pair them with lookout towers to maximize their range and efficiency.
2. Use Soldiers and Titans for Mid-to-Late Game Defense
While snipers excel at long-range combat, soldiers and Titans provide the necessary firepower for mid and late-game waves. Soldiers are great for holding choke points due to their balanced stats, while Titans act as mobile fortresses, dealing massive AoE damage. Investing in their upgrades ensures your army remains strong as the hordes grow larger and more dangerous.
3. Build Stone and Executor Walls for Maximum Durability
Wooden walls may suffice in the early game, but they won’t hold against massive attacks. Upgrading to stone walls and eventually Executor walls is essential for late-game survival. These structures provide significantly more durability, buying your troops extra time to eliminate incoming threats. Always reinforce critical choke points with multiple layers of walls to prevent breaches.
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4. Research Shock Towers and Traps for Crowd Control
Shock Towers are game-changers when dealing with large groups of infected. Their chain lightning attacks can wipe out dozens of zombies in seconds. Combine them with barbed wire and spike traps to slow down and weaken enemies before they reach your defenses. Prioritize these technologies once you have a stable economy to maximize their effectiveness.
5. Expand Carefully and Secure Resources
A strong defense requires a steady flow of resources. Expand your colony cautiously, ensuring each new area is well-protected before moving forward. Secure key resource points like oil and gold early to fund your army and research. Avoid overextending, as losing a distant outpost can trigger a devastating chain reaction.
6. Utilize Rangers for Scouting and Early Defense
Rangers are fast, cheap, and excellent for scouting the map in the early game. While they lack firepower compared to later units, they can kite small groups of infected and buy time for your economy to grow. Transition away from Rangers once you have access to stronger units, but don’t underestimate their early-game utility.

7. Balance Your Economy and Military Spending
A common mistake is overspending on military units while neglecting your economy. Ensure you maintain a steady balance between resource production and army growth. If your economy collapses, you won’t be able to sustain reinforcements, leading to inevitable defeat.
Surviving the billions of infected in They Are Billions requires strategic planning, proper unit composition, and strong defensive structures. By prioritizing high-damage units like Snipers and Titans, reinforcing walls, and utilizing crowd-control towers, you can withstand even the largest hordes. If you're looking for a head start, you can Cheap They Are Billions Account to unlock powerful units and resources instantly. With these tactics in mind, you'll be well-prepared to defend your colony and achieve victory.
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