Global Defence Force

The game takes place two years after the 2017 war of Monster Attack, with the Ravagers (known only as "Invaders" in the English translation) repelled after the destruction of their Mothership and the Gigantors thought to have been exterminated. The introductory cutscene states that the Earth Defense Force was established in the aftermath of the first war with the Ravagers, which rather contradicts Monster Attack saying it already existed before the first Ravager invasion. Reports come in of Gigantor sightings in the city of London, and what begins as a cleanup effort soon becomes a struggle for survival as massive numbers of Gigantors emerge across the world. A giant above-ground hive…