ExtrasSome versions of the game came with a free color poster of featuring original box cover artwork.
GraphicsAlthough it was not revolutionary in terms of gameplay, Overlord was revolutionary in terms of its presentation. It was the first space empire-building game to have striking visuals, and it boasted a graphical (rather than text-based) interface
NES versionA year or two after being released for the PC (and also a few other computer platforms), Overlord resurfaced in a slightly modified form as Overlord for the NES (Nintendo Entertainment System). The detailed troop organization and management aspect was replaced with arcade-like, real-time combat sequences.
Information also contributed by Garcia