ONLY 7 HOURS LEFT UNTIL THE DESTRUCTION OF MANKIND!!
On 9 July 2520, the Earth Federal Army dug up an octahedral object from prehistoric earth layers. Along with object, there were also the remnants of a Creator type robot.
On July 14, the object suddenly emitted white light and destroyed the entire Earth.
As the pilot of the starfighter Radiant Silvergun you are sent back in time in search of the key to save the planet.
In various time period you will battle hordes of enemies in search for an alien being knows as the Origin.
only by destroying the Origin can the dark future of the planet be altered.