A DVD version was released which includes a jukebox option, extra scenarios and full Dolby Surround support.
IG2 won the YEAR 2000 BAFTA award for best original music.
In one of the Solarian cinematics, there is a person putting a bomb and then walking away. If you look closely that person resembles Dante from the first IG series.
Free demo (CD) disk of Imperium Galactica II was given away with the Legend's Wheel of time.