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 Comic Book – Foreign Element – When you are tasked with following the river to go find Joel’s brother, you will come to a massive support beam for the bridge. Just to the right of that and next to a upside down car is the comic book.

 Shiv #9 – At the power plant, there will be a door you need to shiv open right where you turn the wheel. Hard to miss.

 Conversation #25 – You’ll make your way to Tommy’s Dam. After crossing over a walkway that you need to raise and before heading to the next section with the shack, walk further back down the river and you will come to a “teddy bear” that will be the trigger for this one.

 Artifact – Power Plant Map – After reaching the power plant and crossing over, you will come to a shack that has a map hanging on the wall.

 Conversation #26 – You will be greeted by Tommy and his wife at the Dam. When they let you into the next area walk back to some horses and talk to Ellie.

 Conversation #27 – When you follow your brother in the upper side of the dam to talk, go to the right side to find a woman with a sniper rifle. Talk to her.

 Training Manual – Smoke: Chemistry – When you meet Tommy at the power plant you will ask him to speak privately. You will then take a long walk to a building with a dog just outside. Inside this building on a console is the training Manual.

 Firefly Pendant – Ryan Oliverio– In the room where the workers repair the turbine, go to the lower floor and in a room underneath where you entered this building will have a pendant in a locker.

 Artifact– Plant Schematics – These are the plans that the guys were reading when you walked into the turbine building. You can grab these on your way out.

 Firefly Pendant – Brent Pino– After locating Ellie’s horse, enter the house and find a pendant on a desk in the far back room on the right.

 Comic Book – Zero Point – Head to the second floor of the house you got the pendant in and it’ll be in the bedroom to the left.

Watch full Grounded mode difficulty walkthrough with collectibles

Select a Chapter/Guide

Chapter  2 – Quarantine Zone (note, there are none in Chapter 1)
Chapter 3 – The Outskirts
Chapter 4 – Bill’s Town
Chapter 5 – Pittsburgh
Chapter 6 – The Suburbs
Chapter 7 – Tommy’s Dam
Chapter 8 – The University
Chapter 9 – Lakeside Resort
Chapter 10 – Bus Depot
Chapter 11 & 12 – Firefly Lab and Jackson

All 37 Optional Conversations
All 5 Ellie Joke Conversations
Toolbox Locations
Shiv Doors