Complete the following achievements to unlock Xbox Live Gamerscore points.
Complete the following achievements to unlock Xbox Live Gamerscore points.
Additionally there are seven secret achievements.
Earth Defense Force: Insect Armageddon contains 7 hidden gallery images. To access the hidden gallery images, do the following: 1. From the main menu, select "EXTRAS." 2. From the extras menu, select "GALLERY." 3. While in the gallery, input the following button commands: X, X, Y, X, LB, RB. 4. View images 41 – 47.
Reach rank eight for any of the four Armor classes to unlock one of the Pesticide guns as a reward for reaching the maximum rank.
Reach Rank 8 for any of the four Armor classes to unlock one of the Pesticide guns as a reward for reaching the maximum rank. Note: You can only reach Rank 8 by playing under the Inferno difficulty setting.
To unlock remixed versions of missions with different enemies than the main campaign, simply beat the corresponding mission in the main campaign.