The Last of Us Part 2 - Infiltration: All items and how to explore all areas explained
How to complete the Infiltration chapter and find everything along the way.
Infiltration follows on from The Last of Us Part 2's The Flooded City section.
This is the final part of Seattle Day 3, and is a short chapter where Ellie aims to finally track down Abby.
There aren't many missable items here - but this page explains where to go and grab them along the way.
Looking for help in other areas of the game? See our The Last of Us 2 walkthrough and collectibles hub.
How to complete Infiltration in The Last of Us Part 2
After you are washed from your boat, keep pressing the X button to surface back after every wave.
Once back on dry land, make your way onward across the beach, up the boat and onto the pier. There are no enemies here, so don't worry about sneaking.
We're finally at the aquarium. The doors ahead are locked, so go right, crawling under the fence, and up the generator and into the window.
In the aquarium, you can continue by climbing through the room at the far side.
Slide through the wall, then through the hole in the wall on the right side through the aquatic room.
Go up the ladder, grab supplies on the end of the walkway, then drop down the other side to continue.
Go through the lab section until you reach a locked door.
To continue, turn around and climb up into the vent.
When you drop down and kill the dog as part of the cutscene.
Go ahead, turn left and left again to enter the break room.
Interact with the duffel back at the end of the room for a Journal Entry.
When ready, leave the break room and open the double doors at the end for a cutscene.
To end the chapter, head through the stage props to the curtain. Watch the cutscene.
Next up is Tracking Lesson.