Here is the full list of all 41 Hyperdimension Neptunia Re;Birth2 SISTERS GENERATION trophies - there are 27 bronze, 9 silver, 4 gold and 1 platinum.
Acquired all trophies
Started the game
Encountered with Uni
Encountered with Rom and Ram
Chapter 1 Cleared
Chapter 2 Cleared
Chapter 3 Cleared
Chapter 4 Cleared
Chapter 5 Cleared
Chapter 6 Cleared
Chapter 7 Cleared
Nepgear upgraded
Uni upgraded
Rom and Ram upgraded
Fought your first battle
Fought over 100 battles
Fought over 500 battles
Chained 80+ original combo
Chained your original combo
Fought your first adventure
Obtained 1 billion credits
Disk-make
Remake-sytem
Dealt maximum 100000+ damage
All characters reached level 99
Game-Planner
Nariyuki☆Dungeon clearance
Histoiren joined your party
Kei Jinguujin joined your party
Mina Nishizawan joined your party
Chika Hakozakin joined your party
Watched the Normal Ending
Watched the "Makers" Ending
Watched the "Planeptune" Ending
Watched the "Leanbox" Ending
Watched the "Lastation" Ending
Watched the "Lowee" Ending
Beat Delphinus
Watched the "Ruling" Ending
Watched the "Holy Sword" Ending
Watched the True Ending