Here is the full list of all 33 Zero Escape: Zero Time Dilemma achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Collect all trophies.
Clear all C-Team fragments.
Clear all Q-Team fragments.
Clear all D-Team fragments.
Clear all fragments.
Finish CQD-END: 2.
Gain all Cinema Files.
Successfully activate the Force Quit Box.
Shoot that person.
Finish Q-END: 2.
Successfully remove the helmet.
Finish C-END: 1.
Answer with the correct date.
Finish D-END: 2.
Live a happy virtual life.
Finish D-END: 1.
Complete all quests.
Obtain all Quest Files.
Protect Akane and obtain the X-Passes.
Finish Q-END: 1.
Complete 6 quests.
Shoot a blank, everyone lives.
All the dice roll 1s.
Correctly answer the Monty Hall Problem.
Drink the real antidote.
No one presses the button, everyone lives.
Resist temptation to press the button.
Complete 1 quest.
Obtain 1 Quest File.
Watch all the cinematics in a fragment.
Go through your first bad ending.
Gain 1 Cinema File.
Finish CQD-END: 1.