A completionist run of The Last of Us means meticulously scouring every nook of the post-apocalyptic world for all collectibles, artifacts, and optional conversations while upgrading every weapon and skill. It’s a patient, immersive playthrough that extends the journey far beyond the main story, uncovering hidden notes and environmental stories that deepen the emotional weight of Joel and Ellie's harrowing trek across America. completionist run the last of us 3