Here is the full list of all 37 Beholder 3 achievements.
Get to know Stephen Huberts
Shred File 313
Install 10 Cameras
Interact with the Server for the first time
Gain access to the ministry
Get to know Lotte Altmann
Warn Walter Bullhauser
Find the pistol in the bush
Receive cake from Walter as a gift
You died.
Have drugs in your inventory.
Buy something from the Black Market Trader
Get caught while entering an apartment
Break into an apartment for the first time
Install your first camera
Start a new Game
Help Kim to flee.
Try to flee with Kim.
Help Stephen Huberts with his plans.
Refuse to help Stephen Huberts
Help Lotte Altmann
Refuse to help Lotte Altmann
Help Wolf Henker
Refuse to help Wolf Henker
Pay the ransom for Sabine
Don't pay the ransom for Sabine
Pay for the operation for Alex
Help Elisabeth Weckert to flee
Do business with Magnus Hermann
Write reports about 5 people
Gain access to all ministry floors!
Put up a flag.
Fail a simple dictation 3x times in a row
You can read and write, right?
Get kicked out of Ministry at night
Catch the lovers in the act
Do not pay for the operation for Alex