Achievements - Interior Worlds

Categorised list of achievements with tips and useful information.

Normal Progression
    Down The Rabbit Hole
    Complete the prologue.

    Lost Your Keys
    Complete the Parking Garage.

    Midnight Train
    Complete the Metro.

    Flight Delayed
    Complete the Airport.

    Checking Out
    Complete the Hotel.

    Wrong Neighborhood
    Complete the Suburb.

    Late Night Showing
    Complete the Theater.

    Class Graduation
    Complete the School.

    Dead Consumerism
    Complete the Mall.

    Finish the journey.
Taking Photographs
From start to finish, unlocking every photography achievement could take an hour or so. By playing the game normally and taking other photographs here and there, you may already be half-way. Track your progress in the pause menu.

Don't forget to remove all unnecessary photographs afterwards. The fastest way to do so is to expand any photograph and press open containing folder., then selecting and deleting all unnecessary entries.

    Take 50 photographs.

    Take 100 photographs.

    Take 500 photographs.

    Take 1000 photographs.
Level Secrets
    Look Both Ways (Hidden)
    Wandered into traffic.

Prologue. Get ran over by a car.

    Let There Be Light (Hidden)
    Obtain the optional flashlight.

Garage. In the back of your car, there is a flashlight that can be picked up. Take it.

    Film Collector (Hidden)
    Start each theater projector.

Theater. Start every projector which can be switched on by pressing 4 buttons.

    Yellow Wallpaper (Hidden)
    Escape the complex.

School. In the room which unlocks with the red key, containing the blue key, on the back of it, there is a wall with blood stain on it. It is a hole in the world, enter it.

Pointing towards the bloody wall

After falling out of the world, you will appear in a maze. This is a partial layout, in case you get lost:

Maze layout

The achievement unlocks once you fall out of the maze.
Locked Doors
There are locked doors in some of the maps. Unlock codes are written on newspapers hidden on other maps along with text that hints on which map they are to be used.

    Lemonal Space (Hidden)
    Find the hidden party room.

Code hidden in Hotel: 738025. Unlocked in Garage. Thanks Notsew.

Door hidden in plain sight

    Spraytagged (Hidden)
    Find the hidden graffiti room.

Code hidden in School: 040723. Unlocked in Metro. Thanks voso.

Another door hidden in plain sight

    Prest-O Change-O (Hidden)
    Find a curious room.

Code hidden in Mall: 011323. Unlocked in Hotel. Thanks Nomnom.

Tilted painting

    Vine Arcade (Hidden)
    Find the hidden Vinesauce arcade room.

Code hidden in Garage: 051285. Unlocked in Mall. Thanks the amazing phlog.

Path to hidden room in p.h.y.e. arcade
Hidden Anomalies
    Conspiracy Report (Hidden)
    Find all hidden anomalies.

Take photographs of each hidden anomaly. Track your progress in the pause menu and the gallery.

For some help, refer to GreenoSylveon's guide:

Conspiracy Report unlocks Museum, where all other related achievements are obtained.

    Museum Gallery (Hidden)
    Complete the Museum.

    Club Liminal (Hidden)
    Obtain the game's secret ending.

    Cryptid Hunter (Hidden)
    Complete the secret dream sequence.

After the credits of the secret ending, press the cryptid hunter. button in the lower right corner. If you miss it, it is possible to play Cryptid Hunter from map selection screen, the Minigame map. The achievement is unlocked if you win the minigame.

-- Mirrored from Steam