To celebrate the release of the first DLC, Awakening, for Black Ops 3 Treyarch have announced that this weekend will be double xp. Double XP will be available for PlayStation 4, Xbox One, and PC starting Friday, January 29th at 10AM PT and ending Monday, February 1st at 10AM PT.
Get your Replacer lined up…you’re going to need it. Tomorrow at 10am/PST we’ll activate 2XP for MP/Z (runs through Monday 10am/PST).
— Treyarch Studios (@Treyarch) January 28, 2016