Here is the full list of all 41 Hyperdimension Neptunia Re;Birth2: Sisters Generation achievements.
You played so much, everyone now agrees that Nepgear is a good main character, too!
You have met Uni.
You have met Rom and Ram.
Cleared Chapter 1.
Cleared Chapter 2.
Cleared Chapter 3.
Cleared Chapter 4.
Cleared Chapter 5.
Cleared Chapter 6.
Cleared Chapter 7.
Nepgear's HDD version has been powered up!
Uni's HDD version has been powered up!
Rom's and Ram's HDD versions have been powered up!
Engaged in your first random encounter.
Performed an 80-hit combo.
Obtained a total of 100 million Credits.
All characters have attained Level 99.
Discovered 200 Plans.
Cleared all Stella's ☆ Dungeon levels.
Histoire joined the party.
Kei Jinguji joined the party.
Mina Nishizawa joined the party.
Chika Hakozaki joined the party.
Watched the Planeptune Ending.
Watched the Lastation Ending.
Watched the Lowee Ending.
Defeated the hidden boss, Delphinus.
Watched the Human Ending.
Watched the Leanbox Ending.
Watched the Normal Ending.
Watched the Conquest Ending.
Watched the Holy Sword Ending.
Inflicted over 100,000 points of damage.
Used the Remake System for the first time.
Watched the True Ending.
Created your own original combo setup.
Created your first Game Disc.
Fought 500 battles.
Fought 100 battles.
Made use of Stella's ☆ Dungeon for the first time.
You began your adventure.