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