What is Defending Earth PC?

As the Earth faces the greatest asteroid storm in the solar system, players must strategize and use a variety of weapons, tools and other resources to protect the planet. With a countdown to the incoming storm, players must act quickly and make strategic decisions to save Earth from the asteroids. This page focuses specifically on the PC (Windows) version of the game, including prices, regions, activation methods and compatible storefronts.

How can I find the best price for Defending Earth PC?

We track live prices for Defending Earth PC from official retailers and trusted third-party marketplaces. Use the country, platform and service filters below to compare offers side by side and quickly spot the cheapest key that works in your region.

How do I redeem a Defending Earth PC game key?

After you buy a Defending Earth PC game key, you'll receive a secure digital code (often called a CD key or activation key). Redeem it through the correct platform client — for example Steam, PlayStation, Xbox or another supported launcher — and the game will be added to your library for download. Always double-check platform and region compatibility before you purchase to avoid activation issues.