Here is the full list of all 35 Bendy and the Dark Revival achievements.
Complete The Game on Hard
Reveal A Very Old Friend
Maximize Your Dark Potential
Survive 25 Ink Demon Attacks
Spend 500 Slugs
Create The Ultimate Weapon
Locate The Toyman's Secret
Banish 25 Enemies
A Very Random Occurance
Take Some Time For Yourself
Show Too Much Dedication
Complete Chapter Five
Complete The Game on Easy
Complete The Game on Normal
Complete the Game While Surviving The Slicer
Complete The Main Story
Collect 100 Pieces of Food
Complete Chapter Two
Complete Chapter Three
Complete Chapter Four
Be A First Time Party Pooper
Defeat the Crawling King
You Should Really Just Relax
Defeat the Ruler of the Lower Realm
Complete Chapter One
Find Your First Weapon
Obtain The Banish Power
Clean Up The Exhibit
Meet Up With An Old Friend
Seek Out The Writings of Joey Drew
Pick Up All Audio Logs
Read All Memos
Collect All Memories
Complete The Game Without Dying
Defeat 25 Enemies With Shock Pipe