Those items are collectibles-secrets.
Our walkthrough indicates the exact location of each artifact and pendant.
On the first floor in the corner of one of the rooms, there is the artifact.
Mount camper over the car wreck and pick up another pendant.
Go to the backroom of the store to find the note.
The artifact is to the right of the barrier.
Detonate it and turn left.
bring up the door.
You will notice the map lying on a fragment of wood.
Just a few steps away from the previous one.
The note is on the kitchen table.
Pendant #9
Right after you leave the hideout, turn right.
Defeat the group of zombies there and take a close look at the lamppost.
The pendant is on the top of the pole.
Shoot it down and collect it.
To the right of the windows, there is your companion’s office, where another note is.
It is on the edge of the desk.
The pendant is in the small laundry.
The Diary is on the desk inside the room.
In one of the rooms, you will find the note.
Pick it up to obtain the last artifact in this level.

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