Live-service games don't always have the best reputations, but when done right, they can be a great way for publishers to make a lot of money. Case in point, Bungie's pair of Destiny games. Recent estimates suggest that Destiny 2 generated an average of $200 million annual revenue for Bungie. So, it would stand to reason that Sony would look into making additional, similar games after the company officially acquired the former Halo developers.
But, while that decision makes sense, Sony just revealed that it plans on releasing at least 10 live-service games in the next 4-5 years.
In a recent earnings call, Sony revealed that the 10 live-service games in development will all be released by 2026. Furthermore, Sony has hired third-party studios to work on the said games, which would explain why we haven't heard much about them.
In his statement for PlayStation's acquisition of Bungie, SIE President & CEO, Jim Ryan, revealed that Destiny 2's success as a live-service title was a primary factor. Ryan also explained that Sony wants to make more live-service games, which the recent earnings call proved even further.