This is the list of the achievements recieved just from playing through the story - This section will remain unchanged for the most part unless I receive info for which levels trigger these achievements to pop.


Say hello to my little friend
WIP - insert level aquired


Ah, there it is!
View the Core in Level 8


Argh, the bridge collapsed
Collapse the bridge in Level 10


Sneakin' around
Complete Level 12


NDA
Completed Level 14


Quality of Life Services
Complete Level 15


Now you're playing with power!
Level 24 - Pick up the photon connector for the first time


Fast like a cat
Level 29 - Run through the moving door after pushing the button


See you on the other side!
Complete level 38

These are the achievements the dev put in for fun. As always, the community immediately began working together to discover how to unlock these achievements...or not unlock achievements...or accidentally idling and coming back to an achievement...Nevertheless - these achievements will be organized by the level they relate to.


The cake is alive
Level 1 - In the room with the video camera on a tripod stand, there is a table to the right with cupcakes, wine, and cake. jump behind it in the corner and stare at a slice!
IT IS NOT A LIE



Staring contest
Level 3 - After hopping out of the elevator, follow the trail to the first set of stairs, and look up and stair at the recording camera for a minute or two.
NOTE: This can be done with any camera that is tracking you



Record of six
Level 9 - Run between the metal decontaminator more than 6 times before it closes.
Doing this breaks the employee record of 6


Vashta Nerada
Level 20 - After raising the lift, turn left. There should be a chicken leg next to the shadow. Approach it.
The Shadows That Melt The Flesh




Damn fine cup of coffee
Level 22 - Before jumping down the elevator shaft, turn left and take a break in the office for a minute or two.
Enjoy the coffee



Yippee ki-yay
Level 22 - After the elevator has crashed and you have dropped down into the vent, instead of turning left and walking to the recorded message, walk straight (towards the shadows) over the cigarette lighter.
Venture further.



I said no photographs!
Level 23 - Take a screenshot inside the R&D chamber.
What did he just get done telling you?!



Schrödinger's cat
Level 24 - AFTER COMPLETING level 23, the vending machine immediately left to the starting doors will have an activate button, using this button with open/close the door behind you while a 'meow' plays. Opening the door has a chance to spawn Schrödinger's cat.
NOTE: you must play through level 23, you cannot select level 24 from the menu, as the vending machine will not work.



Klonk!
Level 27 - Knock over the trash can that is straight ahead, across the bridge from spawn/starting doors.
NOTE: This achievement can be done with any trash can that you can interact with


Photon Fun Hour
Level 27 - Rather than completing the level (jumping over the desk in the office), idle or play with the photon beams for a bit.
MINIMUM time recorded is 8min
Don't lose your hair stressing



Burger Friday
Level 28 - This achievement is a day-based achievement, meaning you can only get it on friday (hence the name.) After running through the lab and jumping the gap, there is a radio playing Portal 1's credit song "Still Alive". On the same table, there is a burger, stare at it for a minute or two.
NOTE: changing the computer's time seems to work for this achievement
This achievement can be done with any burger in the game
I've experiments to run
There is research to be done
On the people who are
Still alive.

Level 1 Below



Contract Work
Level 31 - Upon spawn/entrance, there is a walkway and set of stairs to the left, there is a briefcase to the side on the base of the stairs.
It was his best tool.

(Major credit goes to SebRydahl for this one)

Baptized
Level 38 - Wait 21 minutes in the lever room after having "shut down" the Core
DO NOT pull the lever the 2nd time (Reactivate the Core) - Simply wait in the room.

Found Lux!
FInd Lux
WIP
There you are, Lux!
Discussions has said Lux can be found:
-Turning around after landing on the recorded message in the pipes on Level 12
-Completing Schrödinger's cat on Level 24
-After completing level 22, he is under a stepladder in the corner


-After completing Level 28's puzzle and jumping the gap, go through the glass doors, and turn left


-In his cat bed by the light source in Level 29

Without The Community, a lot of these achievements would still be undiscovered for many people, but with the help of everyone, we are slowly but surely discovering LightMatter's secrets, and loving every second of it.

I dedicate this guide to the people of this Discussion Post -
https://steamhost.cn/steamcommunity_com/app/994140/discussions/0/3476150562409482310/

Credits to everyone who helped eachother during this Guide's early hours, and the discussion page!