There are total 12 achievements in ‘Paradise Lost’ game. You get 5 achievements by finishing the 5 chapters in the game. There are 2 missable achievement in Chapter 1. 5 achievemets are unlocked by completing all the 4 endings. Below is the list of all the achievements and how to unlock them.
#1) Untermensch: Welcome to Hell
This is one of the two missable achievement in Chapter 1. At the end of the chapter, after seeing Floor 1 symbol, take the back alley route to reach the elevator to unlock the achievement.
You will have to play chapter 1 twice to unlock both Achievement #1 & #2.
#2) Übermensch: Welcome to Paradise
This is one of the two missable achievement in Chapter 1. At the end of the chapter, after seeing Floor 1 symbol, use the ticket to open the gate to reach the elevator to unlock this achievement.
You will have to play chapter 1 twice to unlock both Achievement #1 & #2.
#3) Denial: Make your way through Denial
Complete Chapter 1 ‘Denial’ to unlock this achievement.
#4) Anger: Make your way through Anger
Complete Chapter 2 ‘Anger’ to unlock this achievement.
#5) Bargaining: Make your way through Bargaining
Complete Chapter 3 ‘Bargaining’ to unlock this achievement.
#6) Depression: Make your way through Depression
Complete Chapter 4 ‘Depression’ to unlock this achievement.
#7) Acceptance: Make your way through Acceptance
Complete Chapter 5 ‘Acceptance’ to unlock this achievement.
#8) Don't Look Back: Leave the bunker
During Chapter 5 (Acceptance) of the game you will get the option to either Leave the bunker or Stay in the bunker. Leave the bunker to unlock this achievement.
#9) Beacon of Hope: Stay in the bunker
During Chapter 5 (Acceptance) of the game you will get the option to either Leave the bunker or Stay in the bunker. Stay in the bunker to unlock this achievement.
#10) Sleep, Sister: Unplug Ewa
During Chapter 5 (Acceptance) of the game you will get the option to either Unplug Ewa or Don’t Unplug Ewa. Unplug Ewa to unlock this achievement.
#11) I Can't Do It: Don’t unplug Ewa
During Chapter 5 (Acceptance) of the game you will get the option to either Unplug Ewa or Don’t Unplug Ewa. Don’t Unplug Ewa to unlock this achievement.
#12) Putting the Pieces Together: See all the endings
Complete all the endings to unlock this achievement. There are 4 possible endings:
Ending 1- Unplug Ewa & Stay in Bunker
Ending 2- Dont Unplug Ewa & Stay in Bunker
Ending 3- Unplug Ewa & Leave the Bunker
Ending 4- Dont Unplug Ewa & Leave the Bunker