Dunno, never played it, but the human race portrait looks an awful lot like a character from X2: Beyond the Frontier... were both games made by the same company, or did they use the same character animation software or something?
Also the Alkiths remind me of Darloks (MOO), the Megalanians remind me of Altarians (GalCiv), and the Horde portrait looks vaguely familiar... Galciv minor race maybe?
And that Triton ship reminds me of some SE4 worldship or other... maybe the Sergetti one, or one from Atrocities' Tholian set?
edit: oh, and the second of their downloadable wallpapers... Don't you remember a nearly identical scene from a MOO2 wallpaper that was included with the game???
Not like I'm accusing them of plagiarizing or anything, I just find all these similarities amusing
