Here is the full list of all 54 Welcome To Chichester Redux : The Spy Of America And The Long Vacation achievements.
Completed the test program
Death by frying pan
Death by trapdoor
Work for The Council Of The Unseen
Stare at a painting
Find out what happens to the stewardess
Complete the game as a male protagonist
Complete Chapter 25
Find the correct ending
Complete Chapter 24
Complete Chapter 23
Complete Chapter 22
Complete Chapter 21
Complete Chapter 19
Complete Chapter 20
Complete Chapter 17
Complete Chapter 18
Complete Chapter 16
Why Katherine was drunk
Complete Chapter 14
Complete Chapter 13
Complete Chapter 12
Complete Chapter 11
Complete Chapter 10
Find out what happens to Coraline
Complete Chapter 9
Complete Chapter 7
Complete Chapter 6
Offer Grendel some cake mix
Project Mothscroll is activated
Complete Chapter 5
Complete Chapter 4
Complete Chapter 3
Complete Chapter 2
Beat Grendel
Lose against Grendel
Complete Chapter 1
This game was originally released on the 29th January 2019 !
Complete the episode recap section
Complete Chapter 8 - Part 1
Complete Chapter 15
Starting a new game
Complete Chapter 8 - Part 2
Complete the game as a female protagonist
Complete the NEW prologue
Complete the OLD prologue
A new name has been entered
Grendel has learnt how to fly
Cheat in the boss fight