Internally developed meant something to everyone when they still had Bungie.
Sony's efforts have always been to maintain first party. Right from the word go.
And they have a business model based around that.
Microsoft aren't as good at ahndlign their software developers, so generally unless they are pretty much seperated from the company ike Rare and Lionhead they don't do very well.
And Microsoft seems to exercise very little creative freedom.
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