Nu eindelijk na een lange tijd is er dan de mogelijkheid voor die gene die in het bezit zijn Ground Control, hun handen te verwarmen met Dark Conspiracy, de officiële addon van Sierra Studios. Nieuwe units, maps en campaigns, voor diegene die elke minuut genoten hebben van het origineel.Sierra Studios announced today that Ground Control: Dark Conspiracy, the official expansion for Ground Control, is now available exclusively by mail for a limited time. Developed by Chicago-based High Voltage Software, in conjunction with Swedish-based Ma ive Entertainment, Ground Control: Dark Conspiracy is available free of charge to all North American owners of Ground Control.

To obtain a copy of Dark Conspiracy, gamers can complete the Free Expansion Offer Form found at http://darkconspiracy.sierra.com or included with specially marked copies of Ground Control. Proof of Ground Control ownership is not needed; however a $4.95 (USD) shipping and handling fee is required.

Ground Control: Dark Conspiracy takes the action-intense experience found in 3D real-time strategy (RTS) Ground Control, to the next level and offers all new mi ions, environments, units, and multiplayer modes.

Zo zie je maar weer, dat het ook anders kan. Niet elke developper is zo vriendelijk om gratis hun addon te versturen.