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About EARTH DEFENSE FORCE 6
Earth Defense Force 6 thrusts players into a bleak 2027 where humanity clings to survival after a devastating alien invasion. As an EDF soldier, you battle massive foes across a shattered world, seeking to restore hope. The game expands the series with the most missions and weapons ever, offering both solo and online co‑op play for up to four participants, and supports full controller functionality on Windows.
01 / THE GUIDE
Story and Setting
The narrative follows the year 2027, three years after humanity’s hard‑won peace in 2024. The population has dwindled to ten percent, and the world teeters on collapse, prompting a renewed EDF resistance against a newly revealed invader.
The plot emphasizes a “chain of deep despair” in a devastated world, yet positions the player’s courage as the catalyst for humanity’s greatest joy, framing the campaign as a fight for Earth’s future.
- Focus on mission objectives that highlight the world’s desolation to better understand the stakes.
- Pay attention to story cutscenes for clues about the invader’s identity.
02 / THE GUIDE
Soldier Classes
Players can choose from four distinct soldier classes, each providing a unique combat role within the EDF. These classes are available for both solo and co‑op play, allowing varied tactical approaches.
The classes are designed to complement one another, encouraging teamwork when playing with up to three other EDF members online.
- Experiment with each class in solo missions to discover preferred playstyles.
- Coordinate class selections with teammates to cover a broad range of abilities.

03 / THE GUIDE
Missions and Weapons
EDF 6 boasts the largest number of missions in the series, each featuring a wide array of weapons. The missions are structured to pit players against large numbers of giant enemies.
Every mission supports online co‑op, allowing up to four players to tackle the same objectives together, whether via shared or split‑screen configurations.
- Utilize the extensive weapon selection to find effective combos against giant foes.
- Plan load‑outs before joining a co‑op session to avoid mid‑mission changes.
04 / THE GUIDE
Online Co‑op Features
The game supports online co‑op for up to four players, with both shared and split‑screen options. This enables friends to join a single session regardless of their display setup.
Co‑op play integrates seamlessly with Steam features such as Achievements, Cloud saves, and Remote Play Together, ensuring a consistent experience across sessions.
- Use Remote Play Together if a friend lacks a controller to still join the session.
- Enable Steam Cloud to keep progress synchronized when switching between computers.
05 / THE GUIDE
Platform and Controller Support
Earth Defense Force 6 is released for Windows only, with no macOS or Linux versions. The game offers full controller support, including DualShock compatibility, and works with Steam’s Family Sharing.
Additional Steam services such as Achievements, Cloud saves, and Remote Play Together are integrated, providing flexibility for various play environments.
- Check controller mapping in the settings menu to ensure optimal input response.
- Activate Family Sharing if you want multiple accounts to access the game on the same machine.





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