In the relentless battle against hordes of enemies, upgrading your turrets is not just an option; it’s a necessity. As you navigate through treacherous regions, enhancing your defenses will significantly increase your chances of survival. This guide will delve into the essential upgrades you need to implement to ensure your success in preparing the vaccine and saving your loved one.
Your turrets serve as your first line of defense against overwhelming enemy forces. By investing in upgrades, you can transform them into powerful weapons capable of clearing out hordes efficiently. Here’s why upgrading your turrets is crucial:
One of the most effective upgrades you can make is to enhance the shooting speed of your turrets. This upgrade allows your defenses to respond more quickly to threats, ensuring that no enemy gets too close. Here’s how to maximize this upgrade:
In the heat of battle, resources are vital. Upgrading your turrets to increase your income can provide the necessary funds to sustain and enhance your defenses. Here’s how to effectively boost your income:
One of the most exciting upgrades available is the ability to unleash laser powers. This feature allows you to execute mass attacks, decimating enemy hordes in seconds. Here’s how to make the most of this powerful upgrade:
As you progress, unlocking new zones becomes essential for survival and growth. Each new area presents unique challenges and opportunities. Here’s how to effectively clear these zones:
Ultimately, your mission is to prepare the vaccine and save your loved one. This goal drives your upgrades and strategies. Here’s how to stay focused on this objective:
Upgrading your turrets is a critical aspect of surviving the relentless hordes and achieving your ultimate goal of preparing the vaccine. By enhancing shooting speed, increasing income, unleashing powerful laser attacks, and unlocking new zones, you can create an unstoppable defense. Stay focused on your mission, and remember that every upgrade brings you one step closer to saving your loved one. Embrace the challenge, upgrade your turrets, and conquer the battlefield!



















