Once you finally get a working car, you’ll arrive in “Pittsburgh”, the fourth chapter of The Last of Us Part 1. In this chapter, you’ll need to find seventeen artifacts, three Firefly pendants, fifteen optional conversations, four training manuals, and four comics. The collectibles are spread out across four sections: Alone and Forsaken, Hotel Lobby, Financial District, and Escape the City. The game does not indicate to you when you’re moving onto a new section, but you can select and begin playing any section from the Chapters option on the main menu.
Read on to find out when each section begins and ends, and where all of the collectibles can be found in “Pittsburgh.”
Alone and Forsaken Collectibles
The “Alone and Forsaken” section of “Pittsburgh” starts with Joel and Ellie driving their car through PIttsburgh only to be attacked by people in the street. This section ends when you reach the hotel.
Siphon Hose Artifact Location
Image: Naughty Dog/Playstation PC via ProSpelare
During the final “Bill’s Town” cutscene, Bill gives Joel the siphon hose to get gas from other vehicles on the road.
Force Carrier Comic Location
Image: Naughty Dog/Playstation PC via ProSpelare
As Joel is driving up to Pittsburgh, Ellie shows Joel the Force Carrier comic that she stole from Bill.
Optional Conversation 14 Location
Image: Naughty Dog/Playstation PC via ProSpelare
After you defeat all of the enemies and enter the garage, you’ll find a couple corpses on tables and the floor. Interact with Ellie to start an optional conversation about what could’ve happened had they gotten caught.
Tools Level 2 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After entering the garage, turn to your left to find a toolbox containing the level 2 tools on a shelf.
Tourists Manifest Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
If you turn right after entering the garage, you can find the Tourists Manifest artifact on a knocked over cage in front of a door.
Health: Splinting Training Manual Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Head up the stairs from the garage, and enter the first room on your right. Find the Health: Sprinting Training Manual on the mattress to your left.
Ambush Map Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Head through the door at the end of the hall outside of the sleeping quarters. Immediately turn to the right to find the Ambush Map on the wall and the workbench along the adjacent wall.
Termination Shock Comic Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you exit the building and descend down to the road, enter the crashed bus on the right side of the street. Immediately turn left to find the Termination Shock comic on the floor.
Optional Conversation 15 Location
Image: Naughty Dog/Playstation PC via ProSpelare
Proceed up the street to find a corpse falling out of a brown car on the right side of the road. Interact with Ellie to start an optional conversation about what could’ve caused the person to die.
Optional Conversation 16 — Ellie’s Jokes 1 Location
Image: Naughty Dog/Playstation PC via ProSpelare
After the three hunters leave, stick around the bus for a short amount of time until Ellie takes out her joke book. Interact with Ellie to hear one of Ellie’s jokes.
Optional Conversation 17 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After the three hunters leave, hop onto the bus and drop down into the security checkpoint. Ellie will walk up to the the graffiti and comment on it, prompting an optional conversation. Interact with her to talk about rations and how it was done in Boston.
Don’t wander off too far, though, because the next collectible is very close by.
Lost Hill Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you drop down from the bus, hop over the sand barricade and enter the guard booth to find the Lost Hill Note on the floor inside.
Traitors Flyer Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you proceed through the turnstile, you’ll encounter three hunters outside. As soon as you enter the outdoor area with the tarp-covered pavilion, take note of the Traitors Flyer that is on the metal barricade wall directly to the right. Take out all of the hunters outside before returning to the artifact.
Kazden Risk Firefly Pendant Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Once all of the hunters outside have been dealt with, continue along the outside of the bookstore to find an alleyway. Proceed down the path and search behind the knocked over shelf to find the Kazden Risk Firefly pendant on the floor.
Optional Conversation 18 — Ellie’s Jokes 2 Location
Image: Naughty Dog/Playstation PC via ProSpelare
After you defeat all of the hunters inside of the bookstore, you’ll start searching around for the collectibles in the area, but Ellie will grow tired of waiting and crack out her joke book. Interact with her to hear some of Ellie’s jokes from her book.
Applicant Checklist Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Return to the entrance of the bookstore, and turn right towards the stairs in the corner. Search the bookshelves underneath the stairs to find the Applicant Checklist on one of the shelves.
Abandon Zone Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
From the front entrance, head to the back right corner of the bookstore. Enter the open doorway, and take an immediate right to find the Abandon Zone Note on the counter on your right.
Lost Areas Map Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
On the second floor of the bookstore, make your way to the bathroom in the back right corner to the right of Rivers Cafe. Unlock the door using a shiv, and collect the Lost Areas Map and some supplies inside.
Optional Conversation 19 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you leave the bookstore via the fire escape in the back, you’ll encounter a cutscene showing a few hunters walking on top of a bus. Once the cutscene is over, turn around and walk towards the storefronts down the street. Ellie will walk over to a storefront with an advertisement of a model triggering an optional conversation.
Optional Conversation 20 — Ellie’s Jokes 3 Location
Image: Naughty Dog/Playstation PC via ProSpelare
Don’t progress too far after the cutscene with the hunters on top of the bus and stick around the storefronts for a bit. If you wait long enough, Ellie will grow tired and whip out her joke book to tell you one of Ellie’s jokes.
Mother’s Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
From the yellow taxi, turn left to find a barricaded door with a red “X” painted onto it. Open the door using a shiv, and head inside to find the Mother’s Note on top of a chair just ahead of the entrance.
Stash Note Artifact Location
Start swimming in the flooded street and turn into the open box truck. Swim to the staircase ahead of you and go up to the second floor. Walk around to the far side of the second floor to find the Stash Note on a counter.
Hotel Lobby Collectibles
The “Hotel Lobby” section of the “Pittsburgh” chapter begins once you drop into the hotel lobby, and ends after Joel and Ellie escape the hotel.
Optional Conversation 21 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
As soon as you drop into the hotel lobby, turn left and head toward the the bar counter. Interact with the coffee machine to start an optional conversation.
Note to Staff Artifact Location (Safe Code)
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you climb the ladder to reach the second floor of the hotel, turn to the right and shimmy across the broken stairway. Search the open suitcase on the floor to find the Note to Staff that has a safe code (22-10-56) written on the bottom of it.
Shiv: Reinforcement Training Manual
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Now that you know the safe code from the Note to Staff, make your way to the room attached to the front desk. If you’re facing the front entrance of the hotel, the front desk is to your left. Make your way behind the desk and head into the attached room to find the safe. Input the code 22-10-56 to find the Shiv: Reinforcement training manual inside.
Optional Conversation 22 — Ellie’s Jokes 4 Location
Image: Naughty Dog/Playstation PC via ProSpelare
After you’ve collected the training manual, return to Ellie by climbing up the ladder to the second floor. Wait by the elevators for a minute or two until Ellie wants to lighten the mood with her jokes. Interact with Ellie to hear some of Ellie’s jokes from her joke book.
Optional Conversation 23 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After going up the stairs from the hotel lobby, jump out of the window at the top of the stairs and into the next window on your left. There will be enemies scattered around this floor, so take them out as you go along. Exit through the balcony door of Room 204 and jump into the window of the adjacent room. Climb up the debris inside, and enter the bathroom on the left to find a deceased couple in the bath tub. Once Ellie sees the bodies, interact with her to start an optional conversation.
If you’ve already passed this section, you can return to the bathroom of Room 304.
Hotel Keycard Artifact Location
After you enter the spore-filled section of the basement, crawl under the collapsed rubble to enter a long hallway where a horde of rats will run in your direction. In this area, you’ll face off against multiple stalkers who will lunge at you from out of no where so be wary of your surroundings. Enter the second room on your right to find the generator, but don’t turn it on just yet. Go up the ramp and turn left. Leave the room and enter the security room directly across the hall to find the Hotel Keycard on the desk.
Accretion Comic Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Turn the generator back on and head back upstairs using the Hotel Keycard. Take out the hunters in the kitchen and dining room, and use the ladder to climb up to the second floor. A hunter will knock you off prompting a cutscene where you reunite with Ellie. Climb up the ladder for real this time, and take two lefts to reach the second floor of the dining area. Shimmy across to the bar, and find the Accretion comic on the table by the couches on your left.
Colby Reed Firefly Pendant Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Return to Ellie and drop down to the first floor. Head in to the second door on the left — the women’s bathroom — and enter the larger stall to find the Colby Reed Firefly pendant on the floor by the toilet.
Melee: Knots Training Manual Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Back in the hallway, turn left and continue down the corridor until you reach a table with a couple chairs on top of it. On top of the table, you’ll find the Melee: Knots training manual.
Optional Conversation 24 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Vault over the table in the hallway and continue into the ball room on the right. Turn right and head to the backdrop in the corner of the room. Once Ellie makes her way over to the backdrop, interact with her to start an optional conversation.
Financial District Collectibles
The “Financial District” section begins after Joel and Ellie leave the hotel, and ends when you meet Henry and Sam.
Optional Conversation 25 Location
Image: Naughty Dog/Playstation PC via ProSpelare
When you first gain control of Joel, keep note of the hanging corpse where a few hunters are gathered, but defeat all of the hunters in the square before worrying about gathering the collectibles. Once all of the hunters are dealt with, return to the body to initiate an optional conversation.
Fireflies Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
From the hanging body, head to the far right corner of the square into a Don Fiocchi’s Sandwiches. Make your way into the freezer, located at the back of the store, to find the Fireflies Note on the floor.
Final Attack Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you enter the garage door and head up the stairs, enter the main office on this floor, and head to the back right corner. Find the Final Attack Note artifact on the floor by the desk and window.
Mob Attack Note Artifact Location
Once you’re on the street level, take out the hunters roaming the streets and buildings. After you deal with them, you’ll notice a building with a gaping hole in the side of the second floor. Enter the building, and head up to the second floor. Make your way to the back room and go behind the desk to find the Mob Attack Note on the floor.
Truck Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Back on the street, make your way to the Rations Depot which can be found at the end of the road by a concrete barricade. Enter the store and grab the Truck Note on a desk in the front of the store.
Optional Conversation 26 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After exiting the Rations Depot, turn left to find the wall with “Death For Freedom” on it and a few corpses below the graffiti. Interact with Ellie to start an optional conversation.
Optional Conversation 27 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After climbing the fire escape, drop down onto the truck and then the ground in front of the Military Preparatory School. Ellie will walk over and talk about how she went to a school like this back in Boston, initiating an optional conversation.
Optional Conversation 28 Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After dropping down from the fire escape, turn to the left to see a “Dawn of the Wolf Part 2” billboard. Ellie will run up to the poster and start an optional conversation.
Escape the City Collectibles
The “Escape the City” section of this chapter starts after you meet Henry and Sam and ends when Joel and Ellie jump off the bridge to escape the turret.
Molotov: Construction Training Manual
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Once you gain control of Joel after the cutscene where you meet Henry and Sam, walk out of the bedroom into the kitchen to find the Molotov: Construction Training Manual on the counter.
Deep Phase Comic Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
Follow Henry down one floor and use a shiv to enter the door across from the staircase. Turn left and enter the bedroom on the right. Find the Deep Phase comic on the desk on top of the keyboard.
Lucas Rios Firefly Pendant Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After you exit the toy store, you’ll encounter three hunters chatting outside. Take out the enemies only to be faced against two more hunters above you. Eliminate these two and head inside, but don’t follow Henry, Sam, and Ellie immediately. Turn left into the bathroom and find the Lucas Rios Firefly pendant on top of the left toilet.
Trial Note Artifact Location
Graphic: Johnny Yu/ProSpelare | Source image: Naughty Dog/Playstation PC
After following Henry, Sam, and Ellie through the double doors, head straight ahead to the open door. Enter the office and turn to the right to find the Trial Note on the floor in the corner.
That marks the end of “Pittsburgh” in The Last of Us Part 1. If you’re ready to take on the next chapter, check out our guide on where to find all “The Suburbs” collectibles.
If you missed any of the collectibles in the last chapter, check out our guide on where to find all “Bill’s Town” collectibles.
If you’re looking for collectibles from other chapters, head over to our hub to see the locations of all collectibles.