Image: Naughty Dog / PlayStationOfficial screenshot from Naughty Dog / PlayStation.
Sticky Fingers is the silver trophy for opening every safe. Each safe needs its combination from a nearby note or item; once you carry it, Joel opens the safe without you entering any numbers.
The Outskirts: a bookstore in the subway, code on the Note to Derek. Bill's Town: next to a truck, code on the Note to Bob. Pittsburgh: behind the hotel counter, code on the Note to staff.
Image: Naughty Dog / PlayStationChronicles
Find all notes and artifacts.
Image: Naughty Dog / PlayStationEndure and Survive
Collect all comics.
Image: Naughty Dog / PlayStationFallen Firefly
Find a Firefly pendant.
Image: Naughty Dog / PlayStationGetting to Know You
Engage in all optional conversations.