Welcome back to Replaced. After crashing back into the lab, you’re now ready for the last attack on R.E.A.C.H. This guide has the full Chapter 10 walkthrough, with all the collectibles, puzzle solutions, and important encounters so you can finish the game without missing anything.
Important Tips Before Starting Chapter 10
Before you start, keep in mind that you might miss a lot of collectibles and optional items in this chapter. If you go too far, you won’t be able to use Scans, Music Tracks, or abilities. Take your time and look around carefully; this is your last chance to gather everything.
The Ironwood Update Walkthrough
When you get to the lab, go to the right to see Ironwood fighting off enemies. A long cutscene will play.
When it’s over, go right, away from the generator. In the corner, gather:
Scan #103: The Diary of Elite
You can also find the following things close to Ironwood’s original location:
Scan #104: About the Disposals
Ironwood said to return both and destroy the generator after getting them.
Climbing the Building and Platforming Section
To get to a big fighting arena, climb the yellow ladder and follow the straight platforming path to another ladder that goes down. Get rid of all the enemies, then go out on the right.
Keep going up by stacking boxes to get to higher platforms. On the right side, go down to a small balcony to get:
Scan #105: Beautiful Menu Genetic Profile #10
Go back to the main path at the top right, where there is a door with a green light.
Vent Navigation and Office Area Collectibles
As you move through vents and connected rooms, watch out for falling debris. Eventually, you’ll get to a room where news is broadcast. After you beat your enemies, use the console on the right to get:
Scan #106: Letter from Black Widow
In this room as well:
Scan #107: Interview For Editing (on top of a speaker)
Scan #108: Letter Dropped From The Trash (far left near the screens)
Go out the left side and keep going through the vents until you land in another office area.
Office Arena and Matriarch Boss Fight Guide
When you land, go right away to get:
Scan #109: Journal of the Doctor
To start the Matriarch boss fight, move to the left.
Connect the wires on the left with your hacking module. Quickly move to the far right using hooks to avoid damage as the electricity spreads across the floor.
Next, use the hacking module to line up the pipes with the setup on the left.
Then, swing between hooks to time your jumps just right, and turn on the last wires, which will connect them to the central Wi-Fi node.
To avoid electrical surges, hit the last generator with the ceiling rafters again to open the way forward. Keep going through the lab after you beat Matriarch.
The Last Push and Tempest Encounter
In the next room, a cutscene shows Tempest stuck in a glass pod.
Go left and use the console to get the following things before you talk to him:
Scan #110: Profile of the Matriarch
Scan #111: Business Wars
Get both items back and then click “Continue” to free Tempest.
Elevator Path and Final Arena Preparation
Follow him forward, then go all the way to the left. Put a box against the wall and climb into the vents. Follow the path to an elevator, ride it up, and then go into the next arena for fighting.
Kill all the enemies and then go to the server room.
Final Boss Fight: R.E.A.C.H Strategy
Get rid of the enemies first, then use the airflow on the left to get up to the server structures. Hit the top server to start the next step.
After the cutscene, you have to beat another group of enemies. Use the servers again to go higher and keep hurting R.E.A.C.H. Finally, use the air boost to get to the highest platform and hit the last server.
Ending, Achievement, and Game Completion
The last part turns into a flashback. To finish the game, go all the way to the right.
You will get the last achievement:
Full Circle (for finishing Chapter 10)