There's a very neat Crash Bandicoot Easter egg in Uncharted 4 that's more elaborate than you think.
Uncharted 4 contains a well-integrated Crash Bandicoot Easter egg. There are no story spoilers here, but we'll nonetheless discuss a particular scene with Drake and Elena.
Turn back now if you want to go in clean.
In one scene in Uncharted 4, Elena challenges Drake to play one of her video games. He picks up the controller, and what do you know, it's a PSOne console running Crash Bandicoot. You even see part of the system boot-up.
Once Drake starts playing, the game transfers control back to you, as you help Crash avoid a boulder going downhill, and it scores your attempt, too.
You can see it in the video below:
Naughty Dog seems fond on making references to Crash in their material. If you remember, the first Uncharted 4 trailer was an homage to a Crash Bandicoot trailer.