Here is the full list of all 41 Danganronpa V3: Killing Harmony (EU) trophies - there are 26 bronze, 10 silver, 4 gold and 1 platinum.
Acquire all trophies.
Complete the Ultimate Talent Development Plan with every student, regardless of rarity.
Achieve the maximum level.
Achieved an S-Rank on Mean difficulty in TREASURE HUNTER! MONOLITH.
Unlock the entire gallery.
Reach the true ending in "Love Across the Universe."
Take every alternate route in a Nonstop Debate.
Defeat the hidden boss in Despair Dungeon: Monokuma's Test.
Obtain all the Ultimate cards.
Clear Despair Dungeon: Monokuma's Test.
Clear the final exam of the Ultimate Talent Development Plan.
Collect every present.
Achieve the highest level bond with everyone.
Defeat the first boss of Despair Dungeon: Monokuma's Test.
Complete the Ultimate Talent Development Plan with one student.
Take an alternate route during the Nonstop Debate.
Use the Love Key to spend the night with a student.
Find every hidden Monokuma.
Clear Chapter 6.
Attend the final class trial.
Clear Chapter 5.
Learn the truth of the outside world.
Achieve the highest level bond with someone.
Achieved an S-Rank on Mean difficulty in OUTLAW RUN.
Achieved an S-Rank on Mean difficulty in SALMON FISHING.
Own more than 10,000 casino coins.
Clear Chapter 4.
Shoot down over 500 white noise.
Enter the Virtual World.
Get all 7s on the MonoMono Slots.
Clear Chapter 3.
Perform a V-Refute, V-Agree, and V-Lie.
Conduct the seance.
Slap around objects at least 1,000 times.
Clear Chapter 2.
Unlock new areas inside the academy.
Clear Chapter 1.
Present false evidence.
Refute an argument.
Find a hidden Monokuma.
Clear the prologue.