Starfield has become Bethesda's biggest launch title, surpassing previous releases such as Skyrim and Fallout 4.
Following early access from September 1 and a wider release on September 6, the publisher revealed on X that Starfield had reached over six million players across Xbox and PC.
Starfield also launched day one on Xbox Game Pass as a first-party title.
source https://www.gamesindustry.biz/starfield-is-bethesdas-biggest-launch-of-all-time