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