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