Bethesda is an incredibly talented group of 2,300 people worldwide who make up these studios across Bethesda Softworks:
— Xbox (@Xbox) September 21, 2020
@BethesdaStudios @idSoftware@ZeniMax_Online@ArkaneStudios@machinegames@TangoGameworks@AlphaDogGames
Roundhouse Studios
That's 2300 devs added to xbox first party. iirc that almost doubles their numbers to about 5k employees for XGS. Sony first party is less than 3000.