Here is the full list of all 39 Hyperdimension Neptunia: Producing Perfection trophies - there are 22 bronze, 12 silver, 4 gold and 1 platinum.
You got all the trophies. Nice.
All the characters made an appearance.
Got up-close and personal with a character.
Obtained all costumes and accessories.
You've seen Neptune's TRUE ending. "How was breakfast, buddy?"
You've mastered Neptune's route. "So you think you've seen all the events, huh? But!!! A second and third hidden event...don't actually exist. You're done. Good job. Seriously, thank you!"
You've seen Neptune's GOOD ending. "GOOD job, buddy! Now keep playing!"
You've seen Neptune's BAD ending. "Well, it is what it is. Sorry."
Put on 50 concerts.
Neptune's affection has maxed out. "Oh man, my heart is doing backflips or something!"
You've seen Noire's TRUE ending. "Y-You have lipstick on your face!"
You've mastered Noire's route. "H-Hmph. You worked hard, so I don't mind recognizing you a little bit. But only a little bit! Don't take it the wrong way."
You've seen Noire's GOOD ending. "There are other endings to get. Just look at this list."
You've seen Noire's BAD ending. "This happened because you didn't listen to me!"
Noire's affection has maxed out. "Wh-What is this foreign feeling...?"
You've seen Blanc's TRUE ending. "I'll be waiting for your response."
You've mastered Blanc's route. "Thanks to you, my route has been completed. I didn't think you could pull it off. I'll consider you the second Oracle of Lowee."
You've seen Blanc's BAD ending. "Enough. Leave me alone."
You've seen Blanc's GOOD ending. "This is no more than a passing mark. Keep trying."
Your song was ranked number one.
Blanc's affection has maxed out. "My face is red. Maybe I'm cold, or maybe I have a fever."
You've seen Vert's TRUE ending. "What instance shall we challenge today?"
You've mastered Vert's route. "You played this game so seriously that it has moved me. It was a long road for you, but are you satisfied? I look forward to seeing you again."
Mastered all the songs.
You've seen Vert's GOOD ending. "Well done, but keep trying!"
You've taken a majority of the shares.
Formed your first trio.
Vert's affection has maxed out. "To think I would love something more than games...!"
Obtained the highest ranking at a concert.
You went out to play.
Formed your first duo.
You overcame a difficult situation...
You've seen Vert's BAD ending. "Your directions were rather uninspired."
You got pummeled by the little sister crew.
You traveled to another nation.
You put on your debut concert.
You went on your first job.
You attended your first lesson.
You started the game! Way to go!