Here is the full list of all 33 To Be or Not To Be achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Explore a Sunken Ship as a Ghost
Invent Second Person Pronoun-Paradoxial Auto-Dramatic Irony
Choose To Play As King Hamlet, Sr.
Inhabit the Author's Consciousness
Meet Yourself Through Time Travel
Murder That Guy Polonius for No Real Reason
Discover a Delicious Recipe for Stew
Get an ENTIRE Court to Read an Incriminating Letter
Blatantly Lie About Your Fencing Skills
Lose a Rap Battle Against a Gravedigger
Attempt to Puppeteer the Fate of Others
Commit Mail Fraud
Party on a Boat
Experience the Most Awkward Hug Ever
Describe Hamlet's Situation in Rhyming Verse
Choose To Play As Hamlet
Train Your Skills Using the Power of Montage
Read the Book Within A Book
Cheat at Solitaire
Beat Queen Gertrude at Chess
Be the Worst Possible Chess Player
Observe a Sandwich Overdose
Push Two People in a Row Down Stairs
Be Polite
Score a Point Through Your Pedantry
Out-Crazy Laertes
Kill Hamlet by Muscle Memory
You Just Wanted to Make Out Some More
Find a Flaw in Hamlet's Book
Break Three People's Necks
Find an Oversized Papier-Mâché Hamlet Head
Control Reality Using Ophelia's Thoughts
Choose To Play As Ophelia