Call of Duty: Ghosts is offering up its recently released Onslaught DLC for free this weekend. However this free sample will only allows players on Microsoft consoles to explore 4 extra maps without having to shell out any cash for it. They’d obviously hope you do end up buying the pack eventually of course. Activision will release a trial version of the DLC as a download on Friday which is the 21st of March and will be playable up until the following Monday. It contains all four of the new maps– Fog, Bay View, Containment, and Ignition–and the Maverick dual assault rifle/sniper rifle. The offer is only available for Xbox One and Xbox 360, as Activision and Microsoft have an exclusivity deal. Activision says other platforms will get a shot at the free weekend at a later d...