Many recently released PC games were unplayable over the weekend, and it looks as though it was because DRM company Denuvo had problems with its servers.
As reported by VGC, many recently released high-profile titles were unplayable on PC over the weekend, and those that use the digital rights management (DRM) software from Denuvo were being met with errors that rendered them unplayable, even if they were solely single-player titles.
https://www.nme.com/news/gaming-news/denuvo-drm-issues-may-be-cause-for-pc-titles-going-down-over-the-weekend-3090059