Here is the full list of all 11 Paper Shakespeare: Stick Merchant of Venice achievements.
Go through Non-Shakespeare Mode.
Completed Adventure Mode.
Died in Adventure Mode.
Defeat some underwater bad guys.
Defeat some ninjas that are also on fire.
Defeat a Dracolich.
It melted.
Complete all modes.
Defeat a Cyclops.
Go through Shakespeare Mode.
Halfway there.