D3Publisher has announced that Earth Defense Force: Insect Armageddon is coming to Steam this holiday season, bringing this madcap third-person shooter sequel to Windows PCs. Word is: "To accompany Earth Defense Force: Insect Armageddon, where players take on the role of the world’s elite soldiers that engage in nonstop bug filled arcade madness, four all new DLC weapon packs will be available for purchase at the 2011 holiday launch." Here are some screenshots that accompanied the announcement.