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