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The Last of Us Part I: The Last of Us Part I 100% Completion Guide

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The Suburbs: Sewers

From the riverbank through a flooded sewer and an old settlement to the way out.

This stretch runs from the riverbank to the door out of the sewer. It holds tool level 3, the Waterlogged trophy and a chance at the fourth melee break, but no workbench and no shiv door. Keep a Binding and a Blade for a Machete and a whole shiv for a Clicker's grab. A missed pickup can be collected after the credits with Chapter Select, but take the Tool on this pass.

Comic: AntiparticlesCollectible
Location
The Suburbs · Sewers – From where you wake on the riverbank, walk along the beach to the beached boat and climb aboard. Open the cabin: the comic is on the controls. Turn it over when you read it.
Requires
Summary
A comic in the cabin of a beached boat.
Sources
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Artefact: Boat NoteCollectible
Location
The Suburbs · Sewers – Turn round in the cabin. The note is on the captain's seat.
Requires
Summary
A note in the same cabin.
Sources
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Firefly Pendant: Josh SchefflerCollectible
Location
The Suburbs · Sewers – Back on deck, drop through the hole in the middle of the deck. The pendant is on the ground near the entrance and hard to see, so look for the prompt.
Requires
Summary
A pendant in the hull of the boat.
Sources
Report an issue
Before you climb to the sewer

Take the Antiparticles comic, the Boat Note and the Josh Scheffler pendant first.

Climb the cliff into the sewerHidden spoiler – activate to revealQuest stepMinor spoiler
Location
The Suburbs · Sewers – Leave the boat, go over to Henry and climb the cliff. The group goes in through the grilled pipe.
Requires
Summary
The way on is a grilled pipe in the cliff side.
Sources
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Firefly Pendant: Robert RighettiCollectible
Location
The Suburbs · Sewers – Before the main pipe splits, water pours out of a drain on your right: climb up into it. The pendant hangs from a corpse by the broken wall on your left.
Requires
Summary
A pendant held by a corpse in a side drain.
Sources
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Right at the fork, the vent for EllieQuest step
Location
The Suburbs · Sewers – Back in the main pipe, follow it to the split and go right, over the yellow pipe and up the ramp. Pull the vent cover off so Ellie can crawl through and unlock the gate.
Requires
Summary
A caged room on the right-hand path, which Ellie can open from inside.
Sources
Report an issue
Artefact: Sewers NoteCollectible
Location
The Suburbs · Sewers – Go in and up the steps. The note is on the table at the back left.
Requires
Summary
A note in the caged room.
Sources
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Firefly Pendant: Eddie FuentesCollectible
Location
The Suburbs · Sewers – Return to the fork and take the left path to the flooded room. Get in the water on the left as you enter and dive to the sunken car: the pendant lies by its hood.
Requires
Summary
A pendant under the water, by a sunken car.
Sources
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Before you pull the pole

Take the Sewers Note and the Eddie Fuentes pendant first.

Clear the jam, go under the gateHidden spoiler – activate to revealQuest stepMinor spoiler
Location
The Suburbs · Sewers – Swim down to the gate and pull out the pole jammed in its side, and Henry lifts it. Swim under, walk up the stairs and climb the ladder to the walkway.
Requires
Summary
Henry can't raise the gate until the pole jammed in it comes out.
Sources
Report an issue
Artefact: Trading NoteCollectible
Location
The Suburbs · Sewers – At the top, leave the pallet on your left for now and open the white door on your right. Kill the two Clickers inside, the first from behind with a shiv. The note is in the back corner at the far end, by a sleeping bag and a blue barrel.
Requires
Summary
A note in a room held by two Clickers.
Sources
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Before you ferry Ellie

Take the Robert Righetti and Eddie Fuentes pendants, the Sewers Note and the Trading Note first. Read the Waterlogged row now as well: you have only moments once Ellie steps off the pallet.

Ferry Ellie to the generatorQuest step
Location
The Suburbs · Sewers – Push the pallet off the walkway into the water and go down after it. Bring it over to Ellie and push her to the far side. Don't wait for her to reach the generator: go straight to the next row the moment she jumps off.
Requires
Summary
Ellie rides a pallet across the water to start the generator that moves the platform.
Sources
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WaterloggedHidden spoiler – activate to revealAchievementMinor spoiler
Location
The Suburbs · Sewers – As Ellie jumps off the pallet, turn round and swim back to the ledge. Climb out and sprint to the big metal platform with Henry and Sam, and get on before it moves. The trophy pops on the far side, and if the platform leaves without Joel, it fails: restart the checkpoint and ferry her again, or, after the credits, replay the sub-chapter from Chapter Select.
Requires
Summary
Ride the sewer contraption across with Henry and Sam.
Trophies
  • Achievement · SteamWaterlogged
  • Bronze · PlayStationWaterlogged
Sources
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Tool: Level 3Upgrade
Location
The Suburbs · Sewers – Follow the new tunnel to the first doorway on your left, by the DANGER: BOILER ROOM sign. The toolbox is on the floor by a folding chair. If you miss it, a second one sits between the bunk beds in the Stalker area, in the room up a short stair.
Requires
Summary
The third of five Tools. Tool level 3 is what Combat Ready needs, at the next workbench.
Sources
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ShortyWeapon
Location
The Suburbs · Sewers – Follow the tunnel through the double doors painted like a castle, which set off a noise trap, and vault the table. The Shorty is on a table on your left.
Requires
Summary
A sawn-off shotgun. No trophy needs it.
Sources
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Training Manual: Bomb ContainmentUpgrade
Location
The Suburbs · Sewers – Walk on down the tunnel to the double doors painted like a castle, which set off a noise trap, and vault the table (you're past this if you took the Shorty). The manual is ahead on the metal shelves: the middle shelf, right of the blue containers.
Requires
Summary
Widens the blast of your Nail Bombs.
Sources
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The tunnel on the left, the infected ambushQuest step
Location
The Suburbs · Sewers – Go back to the tunnel on the left by the table you vaulted and through the door at its end. Clickers and Runners come from both sides: throw a Molotov to the left, shoot for the head with the shotgun, and keep a shiv ready for a grab.
Requires
Summary
Clickers and Runners attack from both sides in a split room.
Sources
Report an issue
Artefact: Rain Catcher NoteCollectible
Location
The Suburbs · Sewers – With the room clear, take the path on the right up the stairs to the room of rain barrels. The note is on the covered table.
Requires
Summary
A note in the room of rain barrels.
Sources
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Artefact: Cornered NoteCollectible
Location
The Suburbs · Sewers – From the split room, vault the low barricade and climb the stairs past the mattresses (you're on them already if you took the shelf parts). Go through the door on the left, behind some shelves: the note is on the floor in the back left corner, by the bodies. Look for a Machete up the stairs in this same room, and take it if it's there.
Requires
Summary
A note beside the bodies in a side room.
Sources
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Before you try the wire door

Take the Level 3 Tool, the Bomb Containment manual, the Rain Catcher Note and the Cornered Note first, and a Machete if you found one. The door splits the group.

The wire door and the safety doorHidden spoiler – activate to revealQuest stepMinor spoiler
Location
The Suburbs · Sewers – Leave the room, go down the stairs on your left and try the wire door. A safety door slams down, cutting you and Sam off from the others.
Requires
Summary
A trap drops a safety door, leaving Joel and Sam on one side.
Sources
Report an issue
Melee upgrade broken 4 of 5: MacheteHidden spoiler – activate to revealAchievementMinor spoiler
Location
The Suburbs · Sewers – If you found a Machete, craft the upgrade on to it before the fight, on the spot from the crafting menu, using a Binding and a Blade. Hit the Stalkers in the next row with it until the upgrade breaks. If you found none, leave this row open: a bandit upstairs at the Ranch House on Tommy's Dam carries one, and the Hold the stairs, ride off row says when to take it. As a last resort, replay that fight from Encounter Select after the story.
Requires
Summary
The fourth of five breaks, on the Stalkers ahead if you have a Machete by now.
Sources
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With Sam: clear the StalkersHidden spoiler – activate to revealQuest stepMinor spoiler
Location
The Suburbs · Sewers – Hug the wall on your right and hit the first Stalker, then the next two as they come at you one by one. Clickers join them: shoot for the head with the shotgun, throw a Molotov if they group up, and keep a shiv for a grab.
Requires
Summary
Stalkers, then Clickers, fill the old settlement.
Sources
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Artefact: Kid's DrawingCollectible
Location
The Suburbs · Sewers – With the area clear, go to the classroom at the back left, just before the way out. The drawing is on the shelf in front of the chalkboard.
Requires
Summary
A drawing in the settlement's classroom.
Sources
Report an issue
Before you boost Sam

Take the Kid's Drawing first.

Classroom ladder, regroup, hold the locker room doorHidden spoiler – activate to revealQuest stepMinor spoiler
Location
The Suburbs · Sewers – In the classroom, boost Sam so he can reach the ladder, climb it and follow the path to its end, then drop to rejoin the others. Follow them on, and at the locked way through, Sam crawls in by the vent and opens it. At the last door, hold off the waves of Clickers and Runners until Ellie and Sam open it from outside: block the doorways with Molotovs and finish them with the shotgun.
Requires
Summary
The group comes back together and holds off the infected until the way out opens.
Sources
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About this guide

One run of the story and one of Left Behind, on any difficulty: no trophy depends on it. The story is one way, so take each pickup before you move on. After the credits, Chapter Select clears anything its menu shows as short, but take the Workbench Tools on the first run: the menu doesn't show them, and one taken on a replay may not count.

Last verified: Nov 7, 2026 · Patch Latest patch (PS5, PC on Steam and Epic), with Left Behind · 0 community corrections shipped

Unofficial fan guide. Not affiliated with the publisher.