Welcome to the comprehensive guide for unlocking all achievements in the demo of Pathologic 3: Quarantine. This guide is designed to provide clear and concise instructions to help you navigate through the game’s achievements.
Achievements

Complete Act I
Tock
Complete Act II
Tuck…?
Complete (?) Act III
Choose a time to go back to. After the ending screen, press Esc to continue to Act III.
Acedia
Die of Apathy
You can increase Apathy by simply waiting, or by shooting people.
Overthinking
Die in extreme Mania
You can increase Mania fast by standing next to burning barrels.
How Your Letter Finds Me
Read Isidor’s letter
When you’re about to escape Thanatica, there is a letter on the desk – you can interact with and read it.
Let Me In
Be reminded once again that you’re denied entrance to the Abbatoir
When walking around in the Skinners, check out your environment (using Q). A gate to the abbatoir will be unopenable, but will grant you this achievement.
Richard and Linda
Listen to the gramophone behind the scenes
When diagnosing the patients in the theater-hospital, go behind the stage and look for a gramophone – then play it. It will rapidly increase Mania. There is another gramophone in Filat’s apartment building, on the second floor.
Don’t Worry, I Have a Degree
Select more than 8 symptoms at once
When diagnosing a patient, select as many symptoms as you can and exit out of the diagnosis menu.
Medicum Morbo Adhibere
Diagnose all three patients correctly
Luta: Anemic Vasculopathy
Finch: Burning Fever
Filat: Nephropatia epidemica
Fleeting Moments
Collect a dying person’s time
In an infected district, there are people on the ground. To ease their suffering and collect their time, administer the right medicine for the indicator to land between the brackets.
Three and a Half Men
Talk to ALL the protagonists
You can talk to the Haruspex at the hospital, the Changeling in the infected district, and… the Changeling in the same infected district.
Quod Licet Iovi, Non Licet Bovi
Seek a bull’s wisdom
When leaving the theater-hospital for the first time, talk to the worms and ask them to bring you the vaccinated bulls. When you come back later, talk to the herb brides and the bull.
Tools of the Trade
Use or examine all Bachelor’s tools
These tools include the Prototype from thanatica, the gun, and multiple devices in the Stillwater (Eva’s house).