Year: 2145
Location: x05 orbital space-station

The x-05 space station has been taken over by a hostile force, you and your team must take back the station. Sensors indicate its weapons are online, and now it's only a matter of time before they fire on earth!

Be careful, other alien forces may take advantage of this situation - the xen specimens stored in the lab may have already have escaped and contacted their home world, expect xen to send in reinforcements.