May 10 was Uncharted 4: A Thief’s End ’s 10-year anniversary. The PlayStation 4 sequel effectively caps off the saga of Nathan Drake, even as rumors of some kind of fifth game continue floating around . Less tidy was Uncharted 4 ‘s development, which entailed pretty significant changes after creative director Amy Hennig left Naughty Dog in 2014. We’ve known bits and pieces about the original vision for Uncharted 4 for many years, but YouTuber Thekempy has now posted a feature-length video compiling all sorts of files, behind-the-scenes videos, and early development footage that gives us our best look yet at what might have been, and there’s some really fascinating stuff in it.  You should definitely watch Thekempy’s video below, but some of the highlights include a mostly chronological retelling of how Uncharted 4 ’s story differed from the Neil Druckmann-led version we got in 2016, reveals that characters like Victor “Sully” Sullivan and 17th-century pirate Henry Avery would have been playable at…