Call of Duty Black Ops 4 Serves Up Another Double XP Weekend By Sam Quirke, 29 Mar 2019 CommentsTreyarch have revealed yet another double XP weekend for those of you still chasing down your Call of Duty: Black Ops 4 achievements. Starting today at 10am Pacific, the event will give out double XP for Multiplayer and Zombies, as well as double Merits for Blackout. The event ends on April 1st at 10am Pacific.Elsewhere Treyarch have released a new episode in their DECLASSIFIED series, this time exploring the music of the game with composer Jack Wall.Xbox LIVE EventVideo Written by Sam QuirkeSam has been a Newshound since 2016 and is now the Editor for both TrueAchievements and TrueTrophies. He loves gaming on all devices and in all genres. He remains a stubborn Assassin's Creed and Pokémon fan.