Full list of all 12 Quintus and the Absent Truth - Chapter One achievements.
The base game contains 3 achievements, and there are 3 DLC packs containing 9 achievements.
Find Mouse Magazine #1 at the Shaw's Residence
Find Alan Shaw's 'Perfect' Vinyl at the Shaw's Residence
Complete Chapter One
Find Mouse Magazine #3 in Chapter Three
Find Alan Shaw's 'Lost in Paradise' Vinyl in Chapter Three
Complete Chapter Three
Find Mouse Magazine #2 at Andromeda Music Studios
Find Alan Shaw's 'Night Music' Vinyl at the Andromeda Music Studios
Complete Chapter Two
Find Mouse Magazine #4 in Chapter Four
Find Christie Gray's 'Torn' Vinyl in Chapter Four
Complete Chapter Four