Here is the full list of all 47 Hyperdimension Neptunia mk2 trophies - there are 36 bronze, 7 silver, 3 gold and 1 platinum.
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Viewed the True ending.
Defeated the secret boss, Delphinus.
Everyone reached level 99.
View a certain CG Image.
Met with Caelus.
Saw the Planeptune ending.
Saw the Leanbox ending.
Saw the Lowee ending.
Saw the Lastation ending.
Saw the human ending.
Saw the normal ending.
Finished the Conquest ending route.
Obtained the cursed sword of legend.
Regained Planeptune after its capture.
Defeated CFW Magic.
Defeated CFW Trick.
Rom's and Ram's abilities enhanced.
Fought 500 battles.
Defeated CFW Brave.
Uni's abilities enhanced.
Achieved an 80-hit original combo.
Blanc joined the party.
Noire joined the party.
Vert joined the party.
Neptune joined the party.
Defeated CFW Judge.
Dealt over 100,000 damage.
Nepgear's abilities enhanced.
5pb. joined the party.
Gust joined the party.
Met Rom and Ram.
Fought 100 battles.
Nisa joined the party.
Met Uni.
Developed an item.
Created your own combo.
Performed battle for the first time in years.
Started up a new game in Gamindustri.