Super Robot Taisen: Original Generation

It is two hundred years after the beginning of the "Space Era", a time period when civilization began expanding into space. However, by the start of the 21st century, two meteors struck and destroyed much of the Earth, sending humanity into chaos.

By year 179 of the Space Era, secret technology, dubbed Extra-Over Technology, or EOT, was discovered by the Earth Federal Government within a third meteor that had hit Earth at the Marquesas Islands in the South Pacific. Dr.