The Earth Defense Force series emerged in the gaming scene with its first notable game, Earth Defense Force 2017, in 2006. This title received a cult following for its over-the-top action and campy narrative, establishing a unique niche within the shooter genre. The company's dedication to engaging gameplay and cooperative multiplayer experiences is evident in titles such as Earth Defense Force 5 and Earth Defense Force 6.

Specializing in third-person shooters and action games, the Earth Defense Force series has developed games for platforms including PlayStation and Xbox. Their work on Earth Defense Force 6 showcased innovative mechanics such as diverse weapon customization and large-scale battles against alien invaders, influencing trends in cooperative gameplay and enemy AI design.

The publisher has achieved significant milestones such as expanding the franchise to multiple sequels and spin-offs, along with partnerships that have broadened their market reach in Japan and internationally.

The Earth Defense Force series' portfolio reflects a commitment to delivering quality gaming experiences. Their contributions have resonated with players and critics alike, earning recognition for their unique blend of humor and action, as well as high ratings from gaming publications.

The Earth Defense Force series continues to shape the shooter genre with upcoming projects like Earth Defense Force 6 - Ranger Weapons: A60 Binary Round, demonstrating their ongoing influence in the industry.