Today Activision has announced that that the Onslaught DLC for Call of Duty: Ghosts, previously released on Xbox LIVE only, will be making its way to PS3 and PS4 as well as PC on February 27th.
Onslaught of course includes the first episode of the four part Extinction mode called Nightfall as well as the four multiplayer maps Fog, BayView, Containment and Ignition: Onslaught.