https://www.polygon.com/2018/2/26/17053144/metal-gear-survive-hidden-kojima-productions-reference-easter-egg

Metal Gear Survive is the rare Metal Gear game developed without the involvement of series creator Hideo Kojima, and the first entry in the series since the breakup of Kojima Productions. But the people working on Survive haven’t forgotten about their Koji Pro brethren, many of whom have moved on to the new Kojima Productions working on Death Stranding.

In the opening cutscene of Metal Gear Survive, there’s a well-hidden reference to the old Kojima Productions, along with a couple of other references.