The double XP event is what the company calls triple-double XP because the double XP applies to standard progression, weapon progression, and the battle pass. The double XP periods take place October 22-25 and October 29-November 1.
Black Ops Cold War developer Treyarch said the promotion is running in part to celebrate the studio’s 25th anniversary and to mark the launch of the Haunting Halloween event.
Continue Reading at GameSpot
Source: Game Spot Mashup