https://www.gamespot.com/articles/black-ops-4-breaks-new-activision-and-playstation-/1100-6462525/

Call of Duty: Black Ops 4 is off to a fast start. Activision announced in a press release that the newest Call of Duty instalment broke Activision's record for the "biggest day one digital release" in the company's history. Digital sales of the Treyarch-developed shooter surpassed the previous digital day one sales record-holder, 2017's Call of Duty: WWII.

In addition to setting internal records at Activision, Black Ops 4 had the strongest day one digital full game sales on PlayStation 4 in the history of the platform for any game. Black Ops 4 also broke the Xbox One record for best-selling digital game of all time for Activision.