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.
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
Inhabit the Author's Consciousness
Explore a Sunken Ship as a Ghost
Invent Second Person Pronoun-Paradoxial Auto-Dramatic Irony
Choose To Play As King Hamlet, Sr.
Lose a Rap Battle Against a Gravedigger
Blatantly Lie About Your Fencing Skills
Attempt to Puppeteer the Fate of Others
Commit Mail Fraud
Party on a Boat
Experience the Most Awkward Hug Ever
Cheat at Solitaire
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
Beat Queen Gertrude at Chess
Push Two People in a Row Down Stairs
Score a Point Through Your Pedantry
Out-Crazy Laertes
Kill Hamlet by Muscle Memory
You Just Wanted to Make Out Some More
Be the Worst Possible Chess Player
Observe a Sandwich Overdose
Be Polite
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