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.
Beat Queen Gertrude at Chess
Be the Worst Possible Chess Player
Find a Flaw in Hamlet's Book
Break Three People's Necks
Control Reality Using Ophelia's Thoughts
Be Polite
Meet Yourself Through Time Travel
Blatantly Lie About Your Fencing Skills
Lose a Rap Battle Against a Gravedigger
Get an ENTIRE Court to Read an Incriminating Letter
Party on a Boat
Attempt to Puppeteer the Fate of Others
Commit Mail Fraud
Murder That Guy Polonius for No Real Reason
You Just Wanted to Make Out Some More
Discover a Delicious Recipe for Stew
Train Your Skills Using the Power of Montage
Score a Point Through Your Pedantry
Out-Crazy Laertes
Kill Hamlet by Muscle Memory
Observe a Sandwich Overdose
Push Two People in a Row Down Stairs
Find an Oversized Papier-Mâché Hamlet Head
Read the Book Within A Book
Cheat at Solitaire
Choose To Play As Ophelia
Describe Hamlet's Situation in Rhyming Verse
Choose To Play As Hamlet
Experience the Most Awkward Hug Ever
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