15 Amazing Uncharted 4 Secrets You Probably Didn’t Notice

Marco Polo

In Chapter 12, when you drive the boat over to a specific location near the sunken ship and then hop out into the ocean, you’ll hear Nathan say “Marco” in a callback to Uncharted 2. This unlocks the trophy Marco Polo Returns. Of course Sam has no idea what the hell you’re talking about which makes it all the more hilarious but there it is.