Last of Us has a weird system where if you load into an earlier chapter the latter chapters become inaccessible. To remedy this just go to Load game and choose the save slot of the completed game and all the chapters will become accessible again.



If you are unable to find location of any particular collectible, you can refer to this video's timestamp as they are mentioned with the particular achievements.

Endure and Survive
Collect all comics


Load up the very last mission of the base game and collect the last comic (1:22:20 of video).

Look for the Light
Find all Firefly pendants


Load up the mission Underground Tunnel in Bus Depot and will you will find the pendant beside the bus lying outside the tunnel (1:17:49 of video).

Getting to Know You
Engage in all optional conversations


Load the mission Highway Exit in Bus Depot. After entering the large building wait for Ellie to sit in the desk and dont interact with the ladder, this will commence the last optional conversation needed for the achievement (1:14:45 of video).

Prepared For the Worst
Find all workbenches


Load the mission Graveyard in Bill's Town and interact with the workbench in the very first room (20:09 of video).

Master of Unlocking
Break into every locked door using shivs



Something to Fight For
Find all training manuals


Both achs can be done on mission Cabin Resort on Lakeside Resort. After you take control of Joel after killing David as Ellie, you will find yourself on petrol pump, go to right side of the street across a house open the door using a shiv and you will find a Training manual inside. Both achievements can be done on single location (1:12:12 of video).

Chronicle
Find all notes and artifacts


That’s all I got
Survive all of Ellie’s jokes




For these achievements Load up the mission Fun and Games in Left Behind. You will find the artifact in the groundfloor in the kitchen area (1:31:14 of video).



After riding the spinnning thing, Ellie will start telling jokes, go through all of them and don't skip any of them. After you are done with all the jokes the achievement will unlock.

Combat Ready
Fully upgrade a weapon


Select the mission Underground Tunnel in Bus Depot. When you find the workbench (1:19:11) in this mission after Ellie opens a door for you, you will need to open a shiv door (1:19:26) and collect 50 scraps from that room, take the scrap back to workbench and unlock the last upgrade of the pistol to unlock the achievement.