Note: Although this happens very early in the game and has nothing to do with the storyline at all, we want to give a spoiler alert on this article.
I have to say this easter egg is by far the most elaborate one in a game… ever. During one of the very early cutscenes in Uncharted 4, you challenge Elena to beat her high score on the “TV game thing” as Nate puts it. Then a PS1 can be seen complete with the intro, and Crash Bandicoot boots up on the screen.
You then actually play a level of Crash Bandicoot, and have to try and beat Elena’s score. You have three chances to beat Elena’s score. If you lose all three lives then you are mocked by Elena. We don’t want to spoil too much about this great easter egg so we will just post screenshots rather than a video.