PS3 owners can now download Treayrch's Call Of Duty Black Ops patch 1.11.
According to the studio, it brings with it security updates, 'Search and Destroy audio tweaks for planting and defusing' - and support for the Annihilation Map Pack, which launches tomorrow on Sony's format and PC.
Annihilation launched for Xbox 360 last month, and brought with it a double-XP weekend.
Annihilation will feature four competitive multiplayer maps - Hangar 18, Drive-In, Silo and Hazard - as well as a fresh Zombies map called Shangri-La.
It's described as "an exotic and mysterious map filled with deadly traps, dark secrets and innovative gameplay".