The Mind Palace Explained — Twin Mirror Walkthrough

After the opening cutscene, find the moss-covered tree near your car to clean it and find your first memento, unlocking the Lost and Found achievement.

Examine the telescope to trigger your first memory sequence in the Mind Palace, earning the A blast from the past achievement.

After a cutscene and a phone call, answer dialogue choices (most don't matter) to finish the chapter and unlock Way back home.

In Chapter 2, after a conversation with Joan, make your first Analytical choice: "Promise to look into it."

Leave the car and find the Coal Miner's Haven sign to the left for another memento.

Enter the bar and proceed to the photo board at the back. Examine the photo to enter the Mind Palace for another memory.

After the memory, find the jukebox to collect another memory.

Turn around and examine the guitar near the photoboard for a memento.

Talk to Anna, then go to the bar to drink, which will unlock the Raise a glass achievement at the end of the chapter.

In Chapter 3, after washing your face, examine the bathtub for a bloody shirt, triggering a Mind Palace sequence.

Dodge doors until you see one that says "steady yourself." Then, run through the door that says "take control," followed by the door that says "focus." Completing these sections without going through other doors is key for an achievement.

Choose the left mirror to end the sequence and unlock the A foot in the door achievement.

A cutscene will end the chapter, unlocking the Things could be worse achievement.

In Chapter 4, enter the back room of the bar and take the exotic bottle from the shelf for a memento.

Play the Pac-Man arcade machine for at least twenty seconds to unlock the Waka waka achievement.

Examine the spilled glasses at the bar, the broken clock and upturned furniture by the pillar, Joel's hat near the Pac-Man machine, the scratched seat near the exit, DG's bracelet at Nick's memorial, and the broken glasses on the floor by the door (finding Hugh's business card).

Press RB to enter the Mind Palace. Reconstruct the crime scene by choosing DG's bracelet, the pillar, and the stage. Press RB again to play out the sequence.

After the cutscene, look at the back of the white car in the parking lot for a memento.

Cross the street and talk to Declan, then examine the graffiti on the wall for a memento.

Enter the red drug store, talk to the person inside, and look at Kathy's glass jar for a memento.

Ask Hugh and Kathy about Dennis at the pharmacy counter; they are unhelpful.

Talk to Joan and Joe about Dennis; they also haven't seen him.

Meet Anna at the coffee shop. Look at the cards to enter the Mind Palace for another memory.

Talk to the lady until you can exit, then look at the cowboy boots keychain on the cork board for a memento.

Talk to Anna by the window and choose the Analytical decision: "Hide It."

Go to the Basswood Jungle, enter through the employee entrance, and find Dennis' dead body in the cubicle.

Enter the Mind Palace and scan the crowd of Dennises to focus on HIM three times.

Investigate Dennis' body quickly in this order: injury, exit wound, bullet impact, holster, Dennis' gun, traces of blood, and Dennis' corpse to unlock Super sleuth.

Read Dennis' emails on his computer. Examine the nameplate on your old desk for a memento.

In Walter's office, find his password hint, then look at the framed article for the password "Basswood." Read Walter's emails and open the file attachment.

Look at the Basswood Jungle Team photo for a memento.

Enter the Archives in the cubicle (code 3121), read the files, and then leave for a cutscene.

Make the Analytical Choice: "Leave Right Away."