Picture for reference. Defiant map pack was done by Certain Affinity CEA graphics rework was done by Saber Interactive CEA music rework was done by Skywalker symphony Anniversary map pack was done by Certain Affinity Halo 4 forge was done by Certain Affinity Halo 4's CGI cutscenes were done by Digic Pictures or something Majestic and Castle map pack were done by Certain Affinity Spartan Assault was done by Vanguard Games or whatever it was called So will 343 develop Halo 5 by themselves or will there be stuff outsourced like there already has been?