We are pleased to announce that Microsoft and PlayStation have signed a binding agreement to keep Call of Duty on PlayStation following the acquisition of Activision Blizzard,  Microsoft Gaming CEO Phil Spencer said on Twitter Sunday. Activision is the maker of the best-selling Call of Duty lineup.

About Call of Duty: Black Ops - Mac Edition PC\n\n Call of Duty: Black Ops for the Mac will take you behind enemy lines as a member of an elite special forces unit engaging in covert warfare, classified operations, and explosive conflicts across the globe.

For the first time on the Mac, fight to survive in one of the most thrilling and critically acclaimed co-op experiences in gaming. Expanding on the series' ultimate multiplayer experience, Call of Duty: Black Ops takes competitive play to new heights.